CDS Model Paper 4 Mathematics

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Question : 24 of 100

Marks: +1, -0

The LCM of x3−1,x4+x2+1 and x4−5x2+4 is

(x−1)(x+1)(x−2)
(x−1)(x+1)(x+2)
(x2−1)(x2−4)
(x2−1)(x2−4)(x2+x+1)(x2+1−x)

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