If (a+b+c)=15 and (a b+b c+c a)=74, find the value of (a^2+b^2+c^… - Vidyadip

Question

If $(a+b+c)=15$ and $(a b+b c+c a)=74$, find the value of $\left(a^2+b^2+c^2\right)$.

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Answer

77

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