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Question

Compute square of 5.75



A

32.0625

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B

33.625

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C

33.0625

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D

32.625

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Solution

The correct option is A

33.0625


(5.75)2 can be written as

(60.25)2

=(6)2+(0.25)22×6×0.25     [(xy)2=x2+y22xy]

=36+0.06253

=33.0625


Mathematics

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