Dogmathic

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$Prove that n! ﹤ nⁿ for n ﹥ 1 | Discrete Math$

12:34

$Discrete Math: Prove that 2^n is greater than n squared where n is an integer greater than 4.$

14:37

$Discrete Math. Prove by Induction that 2 Divides n^2 + n for positive integer n$

10:25

$Discrete Math. Prove that the sum of cubes of the first n positive integers is equal to ...$

16:04

Discrete Math. Prove that the sum of squares of the first n positive integers = (n(n+1)(n+2))/6

12:47

Algebra: How Do You Derive Quadratic Formula?!? Step-by-step guide.

17:12

$Discrete Math: Find Union and Intersection of A_i = \{...,-2,-1,0,1,...,i} for i =1 to n$

7:51

$Discrete Math: Find Union and Intersection of A_i = {1,2,3,...,i} from i=1 to n$

9:18

$Discrete Math: Find a formula for 1/1*2 + 1/2*3 + ... + 1/n*(n+1). Then prove it.$

16:55

$Discrete Math: Find a formula of the sum of the first n even positive integers. Prove the formula.$

12:16

$Discrete Math: Prove 2 -2*7 + 2*7^2 - ... + 2(-7)^n = (1-(-7)^(n+1))/4$

13:26

$Discrete Math: Prove that 3+3*5+3-5^2+...+3*5^n = (3(5^(n+1) -1))/4$

10:35

College Algebra Lecture 7 Rational Expressions

45:41

Discrete Mathematics: Prove 1^2 + 3^2 + 5^2 + ... + (2n+1)^2 = [(n+1)(2n+1)(2n+3)]/3

15:56

College Algebra Lecture 6: How to Factor Polynomials

42:18

College Algebra Lecture 5: Add/Subtract/Multiply Polynomials

45:17

College Algebra: Lecture 2: Properties of Real Numbers, Algebraic Expressions, Order of Operations

37:30

College Algebra: Lecture 4: Radicals and Rational Exponents

45:35

College Algebra: Lecture 3: Exponents.

33:49

College Algebra: Lecture 1: Real Numbers.

28:12

$Discrete Math: Prove that 3 to the power of n is less than n factorial.$

12:34

Discrete Mathematics: Prove 1*1! + 2*2! + ... + n*n! = (n+1)! - 1

10:35