Question

1.(a) (9.95)^2 using identities​

Answer 1

Step-by-step explanation:

${(9.95)}^{2} = {(10 - 0.05)}^{2}$

${a}^{2} + {b}^{2} - 2ab = {(a - b)}^{2}$

${(10)}^{2} + {(0.05)}^{2} - 2(10)(0.05)$

$100 + 0.0025 - 1 = 99.025$

Therefore, it is your answer.

I hope it helps you. If you have any doubts, then don't hesitate to ask.

Answer 2

Step-by-step explanation:

9.95) = (10 – 0.05)? a? +b? 2ab = (a – b)? (10)² + (0.05)² 2(10)(0.05) 100 + 0.0025 – 1 = 99.025

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