How can we solve ifx+y=15 and xy=56,then what is the value of x^2+y^2.This math problem I got as my compitative examination, so how to answer if x+y=15 and xy=56,then what is the value of x^2+y^2?
How can we solve ifx+y=15 and xy=56,then what is the value of x^2+y^2.This math problem I got as my compitative examination, so how to answer if x+y=15 and xy=56,then what is the value of x^2+y^2?
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