Question

Simplify:- 1.2×1.2×1.2-0.2×0.2×0.2/1.2×1.2+1.2×0.2+0.2×0.2

Answer 1

Answer:

let, 1.2 = x

0.2 = y

then,

x³ - y³ /(x-y) (x²+ab+b²)

hence,

(1.2)³ - (0.2)³/(1.2){(1.2)²+(1.2× 0.2)+

(0.2)²

= 1.2-0.2 = 1