If $a + b + c = 9$ and $a b + b c + c a = 23$ , then find the value of $a^{2} + b^{2} + c^{2}$ .
35

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Solution

The correct option is A 35

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a^{2} + b^{2} + c^{2} = 35

a b + b c + c a = 23

a + b + c

If $a + b + c = 0$ then find value of $\frac{a^{2}}{b c} + \frac{b^{2}}{a c} + \frac{c^{2}}{a b}$

Find $a^{2} + b^{2} + c^{2}; i f a + b + c = 9 a n d a b + b c + c a = 24$

\frac{a^{2} + b^{2} + a b}{b^{2} + c^{2} + b c} + \frac{c^{2} + c a + a^{2}}{b^{2} + c^{2} + b c}

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