9.252can be written as(9 + 0.25)2Using identity = + + 2(9 + 0.25)2 = (9)2 + (0.25)2 + 290.25= 81 + 0.0625 + 4.5= 85.5625

Q. 1 D5.0( 1 Vote )

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Answer :

9.25²can be written as(9 + 0.25)²

Using identity = + + 2

(9 + 0.25)² = (9)² + (0.25)² + 290.25

= 81 + 0.0625 + 4.5

= 85.5625

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