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If the equations y + z = - ax, z + x = - by, x + y = - cz have non trivial solutions, then 1/(1 - a) + 1/(1 - b) + 1/(1 - c) = ....

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If the equations y + z = - ax, z + x = - by, x + y = - cz have non trivial solutions, then 1/(1 - a) + 1/(1 - b) + 1/(1 - c) = ....

(a) 1

(b) 2

(c) - 1

(d) - 2

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The correct option (a) 1

Explanation:

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