(p2 + 2)
(p - 2) 2
(p + 2) 2
(p2 - 2)
Correct answer is A
Given p=x−1x; q=x2+1x2.
p2=(x−1x)(x−1x)
p2=x2+1x2−2
p2=q−2⟹q=p2+2
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