UPSC 2014 CDS II Math Paper

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Question : 49 of 100

Marks: +1, -0

What is the lowest common multiple of ab(x2+1)+x(a2+b2) and ab(x2−1)+x(a2−b2)?

[2014 CDS-II]

(a2x2−b2)(a+bx)
(a2x2−b2)(a+bx)2
(a2x2−b2)(a−bx)
(a2x2−b2)(a−bx)2

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