UPSC 2014 CDS I Math Paper

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Question : 20 of 100

Marks: +1, -0

If the roots of the equation Ax2+Bx+C=0 are -1 and 1, then which one of the following is correct ?

[2014 CDS-I]

A and C are both zero
A and B are both positive
A and C are both negative
A and C are of opposite sign

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