Question

(x'2+4) (x'2-4) by using suitable identites​

Answer 1

Answer:

(x^2 + 4) (x^2 - 4)

= (x^2)^2 - (4)^2

= x^4 - 16

Then, according to the binomial theorem, we get :

(x^2 + 4) ( x-2) (x+2)

HOPE IT'S HELPFUL