Question

(p^2+8q^2)^2-(p^2-8q^2)^2

Answer 1

Question -

(p^2+8q^2)^2-(p^2-8q^2)^2

Answer ==>

Using the identity of (a+b)² And

(a-b) ²

we get,

(p²)² + (8q²)² + 2×8q²×p² - {(p²)² + (8q²)² - 2×8q²×p²}

p^4 + 64q^4 + 16p²q² - p^4 + 64q^4 - 16p²q²

128q^4

here is your answer....