1.

Evaluate with suitable identities:-1.13×0.87

Answer»

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)



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