Asked by TUHITUHI
if a+b=10 and ab=16.find the value of a^2-ab+b^2 and a^2+ab+b^2
Answers
Answered by
Steve
since (a+b)^2 = a^2 + 2ab + b^2
10^2 = (a^2 + ab + b^2) + 16
a^2 + ab + b^2 = 100-16 = 84
similarly for the other
10^2 = (a^2 + ab + b^2) + 16
a^2 + ab + b^2 = 100-16 = 84
similarly for the other
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