Q. 1 D5.0( 1 Vote )

Choose the correct answer for the following:

9.62 = __________
A. 9216

B. 93.6

C. 9.216

D. 92.16

Answer :

Given 9.62 = (10 – 0.4)2


We know that


(a– b)2 = a2 + b2 – 2a×b


9.62 = 102 + 0.42 – 2(10)×(0.4)


9.62 = 100 + 0.16 – 8


9.62 = 92.16

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