Class 08 Algebraic Identities -2 Verification of (a^2-〖 b〗^2) = (a+b) (a-b)

 

Algebraic Identities

Activity-2 :

Verification of (a^2 - b^2) = (a+b) (a-b)

DATE:

 

AIM / Objective:

To verify the identity (a^2 - b^2) = (a+b) (a-b)

 

MATERIALS REQUIRED:

Pencil, scale, eraser, graph sheet

 

PREREQUISITE KNOWLEDGE:

Concept of Algebraic identity

 

PROCEDURE:

Take a piece of cardboard. Draw the rectangles as shown.

(Instructions to be given in class)

 

 

LEARNING ASSESSMENT:

Verify (a^2 - b^2) = (a+b) (a-b)

 

SOLUTION: