The Math Sorcerer
Sunday, November 30, 2014
Relations, Cosets, Lagrange's Theorem
Second Isomorphism Theorem for Groups Proof
First Isomorphism Theorem for Groups Proof
If G is Cyclic so is G/H Proof
Direct Product of Normal Subgroups is Normal Proof
Groups of Prime Order p are Cyclic with p-1 Generators Proof
Proof that o(x) divides |G| if G is Finite
Proof of Lemma and Lagrange's Theorem
Cosets are Equivalence Classes Two Proofs
Equivalence Relation on a Group Two Proofs
Equivalence Classes Partition a Set Proof
Equivalence Relations Definition and Examples
A Group Homomorphism is Injective iff it's Kernel is Trivial Proof
Intersection of Two Normal Subgroups is Normal Proof
Saturday, November 29, 2014
Proof that f(x) = xg_0 is a Bijection
I is a Maximal Ideal iff R/I is a Field Proof
I is a Prime Ideal iff R/I is an Integral Domain Proof
Inverse Image of a Normal Subgroup Proof
Epimorphic Image of a Normal Subgroup Proof
Binary Operations More Examples Video
Half-Life Exponential Decay Word Problem
System of Equations with Three Equations and Three Variables
Inverse of Exponential Function
Finding the Equation of the Circle given the Center and a Point
Inverse of Rational Function Harder Example
Inverse Image of a Subgroup is a Subgroup Proof
Direct Image of a Subgroup is a Subgroup Proof
If G is Isomorphic to H then G is Cyclic iff H is Cyclic Proof
Binary Operations
If G is Isomorphic to H then G is Abelian iff H is Abelian Proof
The Symmetric Difference is Associative Proof Video
Associative Binary Operations and Examples Video
Definition of Binary Operation, Commutativity, and Examples Video
Average Rate of Change of a Function Video
Equation of a Line Given a Point and a Perpendicular Line
Finding the Inverse of the Rational Function f(x) = 5/x
Inverse of Cubic Function Intuitive Solution and Algebraic Solution
Friday, November 28, 2014
Finding the Inverse of the Linear Function f(x) = x + 2
Solving a Linear Equation with Fractions Example 3
Solving a Linear Equation with Fractions Example 2
Solving a Linear Equation with Fractions Example 1
Solving a Linear Equation Example 12
Solving a Linear Equation Example 11
Solving a Linear Equation Example 10
Monday, November 24, 2014
Tangent Lines of f(x) = x^3 Parallel to y = 12x + 7
Calculus Impact Velocity
Finding the Equation of the Parabola using Calculus
Find k such that y = 4x + 4 is tangent to f(x) = k*sqrt(x)
Sunday, November 23, 2014
Related Rates
Related Rates The Volume of a Sphere
Related Rates The Volume of a Cone
Related Rates The Volume of a Cube
Hyperbola with Foci (-9, 0), (9, 0) and Vertices (-4, 0), (4, 0)
Hyperbola with Foci (-3, 0), (1, 0) and Vertices (-2, 0), (0,0)
Hyperbola with Vertices (-6, 0), (6, 0) and Asymptotes y = +/- (4/3)x
Hyperbola with Vertices (0, 1), (0, -1) and Asymptotes y = /- (1/3)x
Linear and Rational Equations
Finding the Domain, Range, and Asymptotes from a Graph
Solving a Linear Equation Example 9
Solving a Linear Equation Example 8
Solving a Linear Equation Example 7
Solving a Linear Equation Example 6
Solving a Linear Equation Example 5
Solving a Linear Equation Example 4
Solving a Linear Equation Example 3
Solving a Linear Equation Example 1
Series Solutions Differential Equations y'' - y' = 0
Thursday, November 20, 2014
Extended Fundamental Theorem of Calculus
Wednesday, November 19, 2014
Arithmetic Sequences
Tuesday, November 18, 2014
How To Use Simpson's Rule
Monday, November 17, 2014
Derivative of x^x and x^(x^x)
Root Test For Infinite Series Examples
Definite Integral Using Limit Definition
Sunday, November 16, 2014
How To Use The Trapezoid Rule
Computing the Sums of Finite Series with Formulas
Computing Terms in a Recursive Sequence Fibonnaci Example
Computing Terms in a Recursive Sequence
Sum Of A Finite Series Example 3
Sum Of A Finite Series Example 2
Sum Of A Finite Series Example 1
Finding the first five terms of a sequence Example 4
Finding the first five terms of a sequence Example 3
Finding the first five terms of a sequence Example 2
Finding the first five terms of a sequence Example 1
How To Use The Change Of Base Formula For Logarithms
Condensing Using The Properties Of Logarithms Example 14
Condensing Using The Properties Of Logarithms Example 13
Condensing Using The Properties Of Logarithms Example 12
Condensing Using The Properties Of Logarithms Example 11
Condensing Using The Properties Of Logarithms Example 10
Condensing Using The Properties Of Logarithms Example 9
Condensing Using The Properties Of Logarithms Example 7
Condensing Using The Properties Of Logarithms Example 6
Condensing Using The Properties Of Logarithms Example 5
Condensing Using The Properties Of Logarithms Example 4
Condensing Using The Properties Of Logarithms Example 2
Condensing Using The Properties Of Logarithms Example 1
Condensing Using The Properties Of Logarithms Example 1
Expanding Using The Properties Of Logarithms Example 11
Expanding Using The Properties Of Logarithms Example 10
Expanding Using The Properties Of Logarithms Example 9
Expanding Using The Properties Of Logarithms Example 8
Expanding Using The Properties Of Logarithms Example 7
Expanding Using The Properties Of Logarithms Example 6
Expanding Using The Properties Of Logarithms Example 5
Expanding Using The Properties Of Logarithms Example 4
Expanding Using The Properties Of Logarithms Example 3
Expanding Using The Properties Of Logarithms Example 2
Expanding Using The Properties of Logarithms Example 1
Expanding Using The Properties of Logarithms Examples
Saturday, November 15, 2014
Separable Differential Equation Initial Value Problem
Monday, November 10, 2014
The Composition of Surjective(Onto) Functions is Surjective Proof
How To Find A Power Series By Differentiating
Sunday, November 9, 2014
Geometric Power Series And The Interval Of Convergence
How To Find The Interval And Radius Of Convergence
How To Find A Taylor Polynomial Using The Definition
How To Use The Ratio Test
Concavity and Inflection Points
Relative Extrema Using The Second Derivative Test
Calculus Limits at Infinity with Square Roots
Calculus Limits at Infinity Three Easy Examples
Saturday, November 8, 2014
How To Use Newton's Method
Calculus Solving a Differential Equation(Initial Value Problem)
Integration with u-substitution the Integral of (17 + 1/x)^6*(1/x^2)
Integration with u-substitution the Integral of (17 + 1/x)^6*(1/x^2)
Integration with u-substitution the Integral of sec^2(sin(3x))cos(3x)
Calculus The Integral of cos(x)/(1 - cos^2(x))
Integration with u-substitution the Integral of sqrt(tan(4x))sec^2(4x)
Integration with u-substitution the Integral of (x - 6)/sqrt(x^2 - 12x + 2)
Integration with u-substitution the Integral of 3x/(x^2 + 17)^5
Differentials A Simple Example
Sunday, November 2, 2014
How to Multiply Cycles in the Symmetric Group S_5
How To Use The Integral Test For Infinite Series
How To Use The P-Test For Infinite Series
Saturday, November 1, 2014
What Does It Mean For A Series To Converge?
Partial Fraction Decomposition
Proof that the Absolute Value Function is Not Differentiable at Zero
Find the Partial Fraction Decomposition 3x/((x + 1)(x^2 + 1))
Find the Partial Fraction Decomposition 2x/((x - 1)(x + 2)
How to Set Up the Partial Fraction Decomposition
Finding the Inverse of a 2x2 Matrix Examples
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