d a 2 + 2ab + b2 – c2 type expressions | Job Exam Rare Mathematics (JEMrare) - Solved MCQs

a 2 + 2ab + b2 – c2 type expressions

5. type expression

This is advance form of expression. We can say it is combination of 3 & 4 types above. First part involving a and b variables is a whole square. When it is written in whole square form – the whole expression converts to form.

We know that ;

Example: Factorize

Solution:

In this expression we can see that first three terms can be taken as whole square of by using =

i-e

;    Now use =(a+b)(a-b)

•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Insert math as
$${}$$