using suitable identities :
( 99.83)^2
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9966.0289 it's correct
shiva198:
i want to solve
or convert it to fraction
now i itself know the answer..
them why are you asking
(90+9.83)^2
(a+b)^2= a^2+2ab+b^2
9966.0289
90^2+2(90×9.83)+96.6289
8100+1769.4+96.6289
9966.o289
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