Question

factorise , plz answer this question

Answer 1

Q: FACTORISATION ?

A: (a^2 + 1) (a - b^2)

EXPLANATION/SOLUTION.

= a^3 - b ^2 + a - a^2 b^2

ARRANGE

= a^3 + a - b^2 - a^2b^2

= a (a^2 + 1) -b^2 (1 + a^2)

= (a^2 + 1) (a-b^2) ANS