if a+b=10 and ab=16 find the value of a^2-ab+b^2
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Step-by-step explanation:
gn. a+b=10 and ab=16
so [a+b]^{2}=100 = a^{2} + b^{2} +2ab
u need a^{2} +b^{2} -ab = [a+b]^{2}-3ab = 100-48 = 52
||ly a^{2} +b^{2} +ab = [a+b]^{2}-ab = 100-16 = 84
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