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If a+b+c=9 and a b+b c+c a=23 , find the...

If `a+b+c=9` and `a b+b c+c a=23` , find the value of `a^2+b^2+c^2`

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To find the value of \( a^2 + b^2 + c^2 \) given the equations \( a + b + c = 9 \) and \( ab + bc + ca = 23 \), we can follow these steps: ### Step 1: Use the first equation We start with the equation: \[ a + b + c = 9 \] Let's denote this as Equation (1). ...
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