Math, asked by Najrulguru, 1 year ago

solve 15th no question hurry

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Answered by anushkatiwari12

1

The answer is... 67
As..
Using identity.. (x-y) ^2=x^2+y^2-2xy
We get
7^2=x^2+y^2-2*9
This gives..
49+18=67=x^2+y^2

anushkatiwari12: Hope this will help you

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