Tagged Videos

By: zshekhtm
Uploaded: 05/18/2008
Length: 0:16:55
Views: 14
Comments: 0

Description: Given a set of N different elements. Let's say, elements of this set are numbers from 1 to N. How many subset does this set have?

Tags: education exercise induction math problem sets unizor.com

zor_math_teen_sets_p02.mp4

By: zshekhtm
Uploaded: 05/18/2008
Length: 0:07:08
Views: 17
Comments: 0

Description: Given two sets. Set A contains elements: book, pen, football, building, planet. Set B contains elements: football, golf ball, tennis ball. What set is a result of an operation of intersection between sets A and B?

Tags: education exercise induction math problem sets unizor.com

zor_math_teen_sets_p01.mp4

By: zshekhtm
Uploaded: 05/18/2008
Length: 0:09:38
Views: 27
Comments: 0

Description: Given a set: book, pen, football, building, planet. How many elements does this set have? What are they? What subsets, including trivial, does this set have? What elements belong to a subset of "man- made things"?

Tags: education exercise induction math problem sets unizor.com

zor_math_teen_induction_p03.mp4

By: zshekhtm
Uploaded: 05/18/2008
Length: 0:11:04
Views: 11
Comments: 0

Description: Prove using the method of mathematical induction that N straight lines on a plain cross in N*(N- 1)/2 points provided there are no parrallel lines among them and no points where more than 2 lines cross each other.

Tags: education exercise induction math problem sets unizor.com

zor_math_teen_induction_p04.mp4

By: zshekhtm
Uploaded: 05/17/2008
Length: 0:06:02
Views: 14
Comments: 0

Description: Prove using the method of mathematical induction that the sum of internal angles of convex polygon with N sides is equal to 180*(N- 2) degrees.

Tags: education exercise induction math problem sets unizor.com

zor_math_teen_induction_p01.mp4

By: zshekhtm
Uploaded: 04/29/2008
Length: 0:10:22
Views: 30
Comments: 0

Description: Prove using the method of mathematical induction that the sum of the first N odd numbers is N*N (i.e. N squared).

Tags: induction math numbers odd problem sum unizor.com

zor_math_teen_induction_p02.mp4

By: zshekhtm
Uploaded: 04/29/2008
Length: 0:07:51
Views: 20
Comments: 0

Description: Prove using the method of mathematical induction that for all natural N > 3 the following inequality holds: N! > PWR(2, N) where N! is 1*2*...*(N- 1)*N - product of all numbers from 1 to N and PWR(2, N) is 2 to the power of N.

Tags: factorial induction power unizor.com