UPSC CDS Math HCF and LCM of Numbers and Polynomials Questions

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Question : 31 of 31

Marks: +1, -0

What is the HCF of 8(x5−x3+x) and 28(x6+1) ?

[2014 CDS-I]

4(x4−x2+1)
2(x4−x2+1)
(x4−x2+1)
None of the above

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