Math, asked by priya1691, 1 year ago

Evaluate without actual multiplication
9.7 *9.8

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Answered by janhvisingh56

$identity : (x+a)(x+b)=x^2+(a+b)x+ab (9.0+0.7)(9.0+0.8)=9^2+(0.7+0.8)9+0.7*0.8 81+1.5*9+0.56 81+13.5+0.56 95.06$

janhvisingh56: hii

Answered by sakshi7048

$<body bgcolor="pink">$ hey mate

here's your answer,

by using identity , (x + a)(x +b) = ${x}^{2}$ + (a+b)x + ab

》 ( 9 + 0.7 )( 9 + 0.8 )

》 ${9}^{2}$ + (0.7+0.8)×9 + 0.7×0.8

》 81 + 13.5 + 0.56

》 95.06

$\huge\boxed{95.06}$

hope it helps you ✌✌

be brainly ✌✌

✌✌By Sakshi Singh ✌✌

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Evaluate without actual multiplication 9.7 *9.8

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Evaluate without actual multiplication
9.7 *9.8