Question

Evaluate with suitable identities:-
1.13×0.87

Answer 1

Step-by-step explanation:

1.13×0.87

= (1+0.13) (1-0.13)           [∵(a+b) (a-b) = $a^{2}$ - $b^{2}$](Identity)

= $(1)^{2}$ - $(0.13)^{2}$

= 1 - 0.0169

= 0.9831 (Ans)

Answer 2

Answer:

yes first one is correct