Question

Factorise a – b – a2 + b2 :

(A) (a – b) [1 – (a + b)]
(B) (a + b) [1 – (a – b)]
(C) (a – b) [1 – (a – b)]
(D) None of these​

Answer 1

Answer:

Given polynomial is

a−b−a

2

+b

2

=(a−b)−(a

2

−b

2

)

=(a−b)−(a−b)(a+b)

=(a−b)[1−(a+b)]

Option A is correct.

Answer 2

QUESTION: Factorise a – b – a2 + b2 :

(A) (a – b) [1 – (a + b)]

(B) (a + b) [1 – (a – b)]

(C) (a – b) [1 – (a – b)]

(D) None of these​

ANSWER:

(A) (a – b) [1 – (a + b)]

THANKS FOR ASKING THIS QUESTION!

BYE!