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The condition that both the roots of the two quadratic equations a1 x2 + b1 x + c1 = 0 and a2 x2 + b2 x + c2 = 0 are common is 

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The condition that both the roots of the two quadratic equations a1 x2 + b1 x + c1 = 0 and a2 x2 + b2 x + c2 = 0 are common is 

A) a1 a2 + b1 b2 + c1 c2 = 0 

B) a12 + b12 + c12 = a22 + b22 + c22

C) a1/a2 = b1/b2 = c1/c2

D) a1 + b1 + c1 = a2 + b2 + c2

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1 Answer

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Correct option is C) a1/a2 = b1/b2 = c1/c2

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