x^2+y^2,if x+y=14 and xy=48
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tushargupta68:
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hello with goodness I am telling your answer is correct but in first of question we have to take value given in question
I respect your question
there are so many ways to solve a problem
yes I now it
but about that type of questions FIRST GIVEN VALUE HAVE TO BE WRITTEN
now only said
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x^2 + y^2 = x^2 + y^2 +2xy - 2xy
= (x + y)^2 - 2xy
,Now putting value of x+y & xy
=》 (14)^2 - 2*48
= 196 - 96
=100
= (x + y)^2 - 2xy
,Now putting value of x+y & xy
=》 (14)^2 - 2*48
= 196 - 96
=100
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