Question

Find the value using algebraic formula.

8.95² – 1.05²

Answer 1

Given: 8.95² – 1.05²

We know that,

(a + b) (a – b) = a² – b²

Hence,

⇒ (8.95 + 1.05) (8.95 – 1.05)

⇒ 10 × 7.9

⇒ 79