If a-b-c-0- then a 2 bc - b 2 ca - c 2 ab -a 0b 1c -1d 3

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Expansion of (x+a)(x+b)

If a+b+c=0, t...

Question

If a + b + c = 0, then $\frac{a^{2}}{b c} + \frac{b^{2}}{c a} + \frac{c^{2}}{a b} =$

(a) 0

(b) 1

(c) −1

(d) 3

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

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

\frac{a^{2}}{b c} + \frac{b^{2}}{c a} + \frac{c^{2}}{a b} = 3

\frac{a^{2}}{b c} + \frac{b^{2}}{c a} + \frac{c^{2}}{a b} = 3

x^{a} \cdot x^{b} \cdot x^{c} = 1 (x \neq 0),

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

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