Question

Using identity
a? – b2 = (a + b) (a - b), find
(1.02)² – (0.98)​

Answer 1

Answer:

a2-b2= (a+b)(a-b)

(1.02+0.98)(1.02-0.98)

(2)(0.04)

0.08

${(1.02)}^{2} - {(0.98)}^{2}$

1.0404-0.9604

0.08

Answer is 0.08