Question

Solve using identities :- 1.05 x 9.5 = 1.05 x 0.95 x 10​

Answer 1

Answer:

0.9975×10=9975

Step-by-step explanation:

1.05×9.5=1.05×0.95×10

=(1+0.05)(1-0.05)×10

={(1)2-(0.05)2}×10

={1-0.0025}×10{(a+b)(a-b)

=a2-b2}

=0.9975×10=9975