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Khan Academy - Precalculus 1-46

Benford's law explanation (sequel to mysteries of Benford's law) | Algebra II | Khan Academy
Benford's law explanation (sequel to mysteries of Benford's law) | Algebra II | Khan AcademyVi and Sal talk through the intuition of Benford's law (part 2)Watch the next lesson: https://www.khanacademy.org/math/algebra2/complex-numbers-a2/imagi…
- 25 Aug 11, 10:11pm -
Vi and Sal explore how we think about scale | Algebra II | Khan Academy
Vi and Sal explore how we think about scale | Algebra II | Khan AcademyVi Hart (http://www.youtube.com/vihart) and Sal talk about how we humans perceive things nonlinearlyWatch the next lesson: https://www.khanacademy.org/math/algebra2/exponent…
- 25 Aug 11, 10:02pm -
Vi and Sal talk about the mysteries of Benford's law | Logarithms | Algebra II | Khan Academy
Vi and Sal talk about the mysteries of Benford's law | Logarithms | Algebra II | Khan AcademyVi Hart visits Khan Academy and talks about Benford's Law with SalWatch the next lesson: https://www.khanacademy.org/math/algebra2/logarithms-tutorial/…
- 25 Aug 11, 10:02pm -
Logarithmic scale | Logarithms | Algebra II | Khan Academy
Logarithmic scale | Logarithms | Algebra II | Khan AcademyUnderstanding how logarithmic scale is different from linear scale and why it could be usefulWatch the next lesson: https://www.khanacademy.org/math/algebra2/logarithms-tutorial/logarith…
- 25 Aug 11, 10:02pm -
Introduction to limits | Limits | Differential Calculus | Khan Academy
Introduction to limits | Limits | Differential Calculus | Khan AcademyIntroduction to limitsWatch the next lesson: https://www.khanacademy.org/math/differential-calculus/limits_topic/limits_tutorial/v/limit-by-analyzing-numerical-data?utm_sourc…
- 2 Aug 11, 6:15pm -
2003 AIME II problem 8 | AIME | Math for fun and glory | Khan Academy
2003 AIME II problem 8 | AIME | Math for fun and glory | Khan AcademySequence from the product of 2 arithmetic sequences. Created by Sal Khan.Watch the next lesson: https://www.khanacademy.org/math/math-for-fun-and-glory/aime/2003-aime/v/sum-of…
- 7 Jan 11, 10:29pm -
Series sum example | Sequences, series and induction | Precalculus | Khan Academy
Series sum example | Sequences, series and induction | Precalculus | Khan Academy2010 IIT JEE Paper 1 Problem 54 Series SumWatch the next lesson: https://www.khanacademy.org/math/precalculus/seq_induction/deductive-and-inductive-reasoning/v/ded…
- 29 Dec 10, 6:02pm -
Complex determinant example | Imaginary and complex numbers | Precalculus | Khan Academy
Complex determinant example | Imaginary and complex numbers | Precalculus | Khan Academy2010 IIT JEE Paper 1 Problem 53 Complex DeterminantWatch the next lesson: https://www.khanacademy.org/math/precalculus/prob_comb/basic_prob_precalc/v/basic-…
- 29 Dec 10, 6:02pm -
Complex conjugates | Imaginary and complex numbers | Precalculus | Khan Academy
Complex conjugates | Imaginary and complex numbers | Precalculus | Khan AcademyComplex ConjugatesWatch the next lesson: https://www.khanacademy.org/math/precalculus/imaginary_complex_precalc/multiplying-dividing-complex/v/complex-conjugates-exa…
- 16 Dec 10, 6:38pm -
Exponential form to find complex roots | Imaginary and complex numbers | Precalculus | Khan Academy
Exponential form to find complex roots | Imaginary and complex numbers | Precalculus | Khan AcademyUsing exponential form to find complex rootsWatch the next lesson: https://www.khanacademy.org/math/precalculus/imaginary_complex_precalc/complex…
- 16 Dec 10, 6:01pm -
Basic complex analysis | Imaginary and complex numbers | Precalculus | Khan Academy
Basic complex analysis | Imaginary and complex numbers | Precalculus | Khan AcademyArgand Diagram, magnitude, modulus, argument, exponential formWatch the next lesson: https://www.khanacademy.org/math/precalculus/imaginary_complex_precalc/compl…
- 16 Dec 10, 5:20pm -
Introduction to function inverses | Functions and their graphs | Algebra II | Khan Academy
Introduction to function inverses | Functions and their graphs | Algebra II | Khan AcademyIntroduction to Function InversesPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra2/functions_and_grap…
- 17 Jul 10, 7:17pm -
Function inverses example 3 | Functions and their graphs | Algebra II | Khan Academy
Function inverses example 3 | Functions and their graphs | Algebra II | Khan AcademyFunction Inverses Example 3Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra2/functions_and_graphs/function_…
- 17 Jul 10, 7:17pm -
Function inverses example 2 | Functions and their graphs | Algebra II | Khan Academy
Function inverses example 2 | Functions and their graphs | Algebra II | Khan AcademyFunction Inverses Example 2Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra2/functions_and_graphs/function_…
- 17 Jul 10, 7:17pm -
Function inverse example 1 | Functions and their graphs | Algebra II | Khan Academy
Function inverse example 1 | Functions and their graphs | Algebra II | Khan AcademyFunction Inverse Example 1Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra2/functions_and_graphs/function_in…
- 17 Jul 10, 7:17pm -
Parametric equations 4 | Parametric equations and polar coordinates | Precalculus | Khan Academy
Parametric equations 4 | Parametric equations and polar coordinates | Precalculus | Khan AcademyParametric Equations that "move" along the same pathWatch the next lesson: https://www.khanacademy.org/math/precalculus/parametric_equations/polar_c…
- 29 Jul 09, 4:53pm -
Parametric equations 3 | Parametric equations and polar coordinates | Precalculus | Khan Academy
Parametric equations 3 | Parametric equations and polar coordinates | Precalculus | Khan AcademyRemoving the parameter from a more interesting exampleWatch the next lesson: https://www.khanacademy.org/math/precalculus/parametric_equations/param…
- 28 Jul 09, 9:32pm -
Parametric equations 2 | Parametric equations and polar coordinates | Precalculus | Khan Academy
Parametric equations 2 | Parametric equations and polar coordinates | Precalculus | Khan AcademyEliminating the parameterWatch the next lesson: https://www.khanacademy.org/math/precalculus/parametric_equations/parametric/v/parametric-equations-…
- 28 Jul 09, 9:15pm -
Parametric equations 1 | Parametric equations and polar coordinates | Precalculus | Khan Academy
Parametric equations 1 | Parametric equations and polar coordinates | Precalculus | Khan AcademyIntroduction to parametric equationsWatch the next lesson: https://www.khanacademy.org/math/precalculus/parametric_equations/parametric/v/parametric…
- 28 Jul 09, 6:04pm -
Polar coordinates 3 | Parametric equations and polar coordinates | Precalculus | Khan Academy
Polar coordinates 3 | Parametric equations and polar coordinates | Precalculus | Khan AcademyConverting between Cartesian and Polar functionsWatch the next lesson: https://www.khanacademy.org/math/precalculus/imaginary_complex_precalc/i_precalc…
- 3 Feb 09, 6:35am -
Polar coordinates 2 | Parametric equations and polar coordinates | Precalculus | Khan Academy
Polar coordinates 2 | Parametric equations and polar coordinates | Precalculus | Khan AcademyConversion from Cartesian to Polar CoordinatesWatch the next lesson: https://www.khanacademy.org/math/precalculus/parametric_equations/polar_coor/v/pol…
- 3 Feb 09, 6:35am -
Polar coordinates 1 | Parametric equations and polar coordinates | Precalculus | Khan Academy
Polar coordinates 1 | Parametric equations and polar coordinates | Precalculus | Khan AcademyIntroduction to polar coordinatesWatch the next lesson: https://www.khanacademy.org/math/precalculus/parametric_equations/polar_coor/v/polar-coordinate…
- 3 Feb 09, 6:35am -
Compound interest and e (part 3) | Exponential and logarithmic functions | Algebra II | Khan Academy
Compound interest and e (part 3) | Exponential and logarithmic functions | Algebra II | Khan AcademyContinuously compounding $P in principal at an annual interest rate of r for a year ends up with a final payment of $Pe^rWatch the next lesson:…
- 26 Jun 08, 3:51am -
Compound interest and e (part 4) | Exponential and logarithmic functions | Algebra II | Khan Academy
Compound interest and e (part 4) | Exponential and logarithmic functions | Algebra II | Khan AcademyContinuously compounding for multiple years.Watch the next lesson: https://www.khanacademy.org/math/algebra2/logarithms-tutorial/logarithm_basic…
- 26 Jun 08, 3:51am -
Interest (part 2) | Interest and debt | Finance & Capital Markets | Khan Academy
Interest (part 2) | Interest and debt | Finance & Capital Markets | Khan AcademyMore on simple and compound interest. Created by Sal Khan.Watch the next lesson: https://www.khanacademy.org/economics-finance-domain/core-finance/interest-tutorial…
- 26 Jun 08, 3:51am -
Introduction to interest | Interest and debt | Finance & Capital Markets | Khan Academy
Introduction to interest | Interest and debt | Finance & Capital Markets | Khan AcademyWhat interest is. Simple versus compound interest. Created by Sal Khan.Watch the next lesson: https://www.khanacademy.org/economics-finance-domain/core-finan…
- 26 Jun 08, 3:51am -
Introduction to compound interest and e | Algebra II | Khan Academy
Introduction to compound interest and e | Algebra II | Khan AcademyCompounding interest multiple times a year.Watch the next lesson: https://www.khanacademy.org/math/algebra2/exponential_and_logarithmic_func/continuous_compounding/v/compound-in…
- 26 Jun 08, 3:51am -
Compound interest and e (part 2) | Exponential and logarithmic functions | Algebra II | Khan Academy
Compound interest and e (part 2) | Exponential and logarithmic functions | Algebra II | Khan AcademyCompounding 100% annual interest continuously over a year converges to e (2.71...)Watch the next lesson: https://www.khanacademy.org/math/algebr…
- 26 Jun 08, 3:51am -
More limits | Limits | Differential Calculus | Khan Academy
More limits | Limits | Differential Calculus | Khan AcademyMore limit examplesWatch the next lesson: https://www.khanacademy.org/math/differential-calculus/limits_topic/limits-infinity/v/limits-and-infinity?utm_source=YT&utm_medium=Desc&utm_cam…
- 26 Jun 08, 3:49am -
Exponential Growth
Exponential GrowthExponential growth involving bacteria (some calculus in part c).From:Khan AcademyViews:230676 445ratingsTime:16:00More inEducation
- 26 Jun 08, 1:34am -
Proof: lim (sin x)/x | Limits | Differential Calculus | Khan Academy
Proof: lim (sin x)/x | Limits | Differential Calculus | Khan AcademyUsing the squeeze theorem to prove that the limit as x approaches 0 of (sin x)/x =1Watch the next lesson: https://www.khanacademy.org/math/differential-calculus/limits_topic/ep…
- 25 Jun 08, 4:52am -
Squeeze theorem (sandwich theorem) | Limits | Differential Calculus | Khan Academy
Squeeze theorem (sandwich theorem) | Limits | Differential Calculus | Khan AcademyWatch the next lesson: https://www.khanacademy.org/math/differential-calculus/limits_topic/squeeze_theorem/v/proof-lim-sin-x-x?utm_source=YT&utm_medium=Desc&utm_cam…
- 25 Jun 08, 4:52am -
Limit examples w/ brain malfunction on first prob (part 4) | Differential Calculus | Khan Academy
Limit examples w/ brain malfunction on first prob (part 4) | Differential Calculus | Khan Academy3 interesting limit examples (correct answer for problem 1 is 3/16 (6/(4*8) NOT 6/(4+8))Watch the next lesson: https://www.khanacademy.org/math/dif…
- 10 Jun 08, 11:21pm -
Binomial theorem combinatorics connection | Algebra II | Khan Academy
Binomial theorem combinatorics connection | Algebra II | Khan AcademyIntuition behind why binomial expansion involves combinatoricsWatch the next lesson: https://www.khanacademy.org/math/algebra2/polynomial_and_rational/simplifying-rational-exp…
- 13 May 08, 1:52am -
Binomial Theorem (part 2)
Binomial Theorem (part 2)Binomial Theorem and Pascal's TriangleFrom:Khan AcademyViews:179143 601ratingsTime:14:20More inEducation
- 13 May 08, 1:52am -
Binomial Theorem (part 1)
Binomial Theorem (part 1)Introduction to raising (a+b)^nFrom:Khan AcademyViews:372763 1001ratingsTime:12:38More inEducation
- 13 May 08, 1:44am -
Combinations
CombinationsIntroduction to combinationsMore free lessons at: http://www.khanacademy.org/video?v=bCxMhncR7PUFrom:Khan AcademyViews:582270 1355ratingsTime:10:16More inEducation
- 13 May 08, 1:44am -
Permutations
PermutationsIntroduction to permutationsMore free lessons at: http://www.khanacademy.org/video?v=XqQTXW7XfYAFrom:Khan AcademyViews:803369 2119ratingsTime:10:11More inEducation
- 13 May 08, 1:43am -
Sequences and series (part 2)
Sequences and series (part 2)Finding the sum of an infinite geometric series.From:Khan AcademyViews:414533 911ratingsTime:10:04More inEducation
- 28 Apr 08, 4:51am -
Sequences and Series (part 1)
Sequences and Series (part 1)Introduction to the arithmetic and geometric seriesPractice this yourself on Khan Academy right now: https://www.khanacademy.org/e/understanding-sequences?utm_source=YTdescription&utm_medium=YTdescription&utm_campai…
- 28 Apr 08, 4:51am -
Limit examples (part 1) | Limits | Differential Calculus | Khan Academy
Limit examples (part 1) | Limits | Differential Calculus | Khan AcademySome limit exercisesPractice this yourself on Khan Academy right now: https://www.khanacademy.org/e/limits-basics-challenge?utm_source=YTdescription&utm_medium=YTdescription…
- 28 Oct 07, 4:42pm -
Introduction to limits 2 | Limits | Precalculus | Khan Academy
Introduction to limits 2 | Limits | Precalculus | Khan AcademyIntroduction to the intuition behind limitsWatch the next lesson: https://www.khanacademy.org/math/precalculus/limit_topic_precalc/limits_precalc/v/2-sided-limit-from-graph?utm_sourc…
- 28 Oct 07, 4:42pm -
Limit examples (part 3) | Limits | Differential Calculus | Khan Academy
Limit examples (part 3) | Limits | Differential Calculus | Khan AcademyMore limit examplesWatch the next lesson: https://www.khanacademy.org/math/differential-calculus/limits_topic/old-limits-tutorial/v/limit-examples-w-brain-malfunction-on-fir…
- 28 Oct 07, 4:42pm -
Limit examples (part 2) | Limits | Differential Calculus | Khan Academy
Limit examples (part 2) | Limits | Differential Calculus | Khan AcademyMore limit examplesWatch the next lesson: https://www.khanacademy.org/math/differential-calculus/limits_topic/old-limits-tutorial/v/limit-examples-part3?utm_source=YT&utm_me…
- 28 Oct 07, 4:42pm -