03:35

Showing the Equivalence of the Triple Scalar Product and the Determinant

Anonymous

Shared 11/02/2020

02:23

Proof of the Distributivity of the Big Union

Anonymous

Shared 10/02/2020

04:06

Proof that { {x}, {x, y} } = { {a}, {a, b} } if and only if x = a and y = b

Anonymous

Shared 10/02/2020

05:34

Proof of A △ (B △ C) = (A △ B) △ C (Associativity of the Symmetric Difference)

Anonymous

Shared 09/02/2020

01:41

Proof of A △ B = !A △ !B (Symmetric Difference)

Anonymous

Shared 09/02/2020

02:56

Proof of (A \ B) ∪ (A ∩ B) = A

Anonymous

Shared 09/02/2020

04:40

If b1 * b2 * ... * bn = 1 Then b1 + b2 + ... bn is Bigger or Equal than n (Proof by Induction)

Anonymous

Shared 08/02/2020

04:14

Power Set of a Set With n Elements has 2^n Elements (Proof by Induction)

Anonymous

Shared 08/02/2020

02:07

When is P(A) ∩ P(B) = P(A ∩ B) true?

Anonymous

Shared 07/02/2020

06:32

Proof that (P(A) △ P(B)) ∩ P(A △ B) = ∅ and A = B are Equivalent

Anonymous

Shared 07/02/2020

04:24

Proof of P(A) ∪ P(B) = P(A ∪ B) ⇔ A ⊆ B or B ⊆ A

Anonymous

Shared 06/02/2020

02:24

Proof that A = B is Equivalent to (A ∩ !B) ∪ (!A ∩ B) = ∅

Anonymous

Shared 06/02/2020

02:39

Showing that a Point Divides a Line in the Golden Ratio on a Triangle

Anonymous

Shared 05/02/2020

02:24

Proofing a Sum of the Fibonacci Sequence Without Induction

Anonymous

Shared 04/02/2020

02:24

Proofing a Sum of the Fibonacci Sequence by Induction

Anonymous

Shared 04/02/2020

04:20

Proof F(m+n) = F(m+1) * F(n) + F(m) * F(n-1) by Induction (Fibonacci Sequence)

Anonymous

Shared 03/02/2020

13:38

What is the Josephus Number of the Penultimate Person?

Anonymous

Shared 02/02/2020

04:15

Proof F(2n) = F(n)*(F(n+1) + F(n-1)) Using the BINET's Formula

Anonymous

Shared 01/02/2020

03:17

Check if a Matrix is Diagonalizable with Curve Sketching

Anonymous

Shared 31/01/2020

05:43

Tree Branches and the Fibonacci Sequence

Anonymous

Shared 31/01/2020

08:08

Calculating the Diagonalizing Matrix

Anonymous

Shared 30/01/2020

06

Double Tower of Hanoi (Recursive and Explicit Formula)

Anonymous

Shared 30/01/2020

04:13

Proof Equality of the Characteristic Polynomial of Two Transformation Matrices

Anonymous

Shared 29/01/2020

04:17

Proof that the Characteristic Polynomial of A Equals the One of S^-1* A * S

Anonymous

Shared 28/01/2020