UPSC 2015 CDS I Math Paper

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Question : 12 of 100

Marks: +1, -0

The expression

x3q2−x3pt+4x2pt−4x2q2+3xq2−3xpt

is divisible by

[2015 CDS-I]

(x-1) only
(x--3) only
both (x-1) and (x-3)
neither (x-1) nor (x-3)

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