Math, asked by shreya3549, 1 year ago

answer question number 14 please

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Answered by atreyee2600
2
I think it helps...thank u...
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shreya3549: can u tell me last 2 steps in detail
atreyee2600: xy multiplies with 82 and x^2+y^2 multiplies with 9
atreyee2600: and thus u get the value of xy
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