Tagged Videos

By: zshekhtm
Uploaded: 11/17/2008
Length: 0:13:15
Views: 3
Comments: 0

Description: Real or not so real known objects and their properties are investigated by mathematicians and new purely artificial objects are constructed by them which, in some way, are simplified versions of those real and not so real known prototypes.

Tags: abstraction math unizor

zor_math_teen.mp4

By: zshekhtm
Uploaded: 11/17/2008
Length: 0:04:33
Views: 3
Comments: 0

Description: Educational material in this section is devoted to mathematical topics addressed usually by those high school teachers and advanced students who strive to deepen their understanding of principles and concepts of mathematics.

Tags: advanced concepts high math principles school unizor unizor.com

zor_math_teen_algebra_ET_x01.mp4

By: zshekhtm
Uploaded: 11/17/2008
Length: 0:43:28
Views: 3
Comments: 0

Description: In this lecture we will consider invariant and not invariant transformations that can be done with equations.

Tags: algebra equations invariant math transformations unizor unizor.com

zor_math_teen_induction_p05.mp4

By: zshekhtm
Uploaded: 10/16/2008
Length: 0:43:02
Views: 25
Comments: 0

Description: Prove that arithmetic average of N real numbers is greater or equal than their geometric average.

Tags: algebra arithmetic average geometric induction math unizor unizor.com

zor_math_teen_algebra_ET.mp4

By: zshekhtm
Uploaded: 08/18/2008
Length: 0:38:49
Views: 34
Comments: 0

Description: The purpose of this lecture is to generalize a concept of an equation. The basis for this generalization is a concept of a function. The process of solving equations is explained in terms of invariant transformations.

Tags: algebra equation invariant solution transformation unizor unizor.com

zor_math_teen_algebra_FG_p04.mp4

By: zshekhtm
Uploaded: 08/17/2008
Length: 0:35:53
Views: 8
Comments: 0

Description: Represent graphically the following function "x to the power of R" for different values of power: y = PWR(x,R) Consider real positive and negative, small and large values of power

Tags: algebra function graph power unizor unizor.com

zor_math_teen_algebra_CX_p05.mp4

By: zshekhtm
Uploaded: 08/13/2008
Length: 0:07:36
Views: 8
Comments: 0

Description: Express in a normal complex form x + yi the result of a division of one complex number a + bi by another c + di.

Tags: complex division numbers unizor unizor.com

zor_math_teen_algebra_CX_p04.mp4

By: zshekhtm
Uploaded: 08/13/2008
Length: 0:08:44
Views: 12
Comments: 0

Description: Prove that two roots of any quadratic equation are either both real or both complex with an imaginary parts having opposite signs.

Tags: algebra complex equations imaginary numbers quadratic real root unizor unizor.com

zor_math_teen_algebra_RN_p01.mp4

By: zshekhtm
Uploaded: 08/12/2008
Length: 0:26:30
Views: 10
Comments: 0

Description: Prove that sum of two periodical decimal fractions with, generally speaking, different number of digits in a period is itself a periodic decimal fraction.

Tags: addition algebra decimal fraction number periodic unizor unizor.com