Question

solve using sutable identity
(0.98) *2
​

Answer 1

(1.02)^2 - (0.98)^2

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

a=1.02

b=0.98

(1.02+0.98)(1.02-0.98)

2×0.04

0.08

Answer 2

Answer:

(a-b)²=a²+b²-2ab. (ans )=0.9604

Step-by-step explanation:

(1-0.02)²= 1+0.0004-0.04=1.0004-0.04. =0.9604