Algebramedium · Past Paper
Factorize x^2 + 2 + 1/x^2.
A(x + 1/x)^2
B(x - 1/x)^2
C(x^2+1)^2
Dx^2(1+2x+1)
✓ Correct Answer: A — (x + 1/x)^2
Perfect square trinomial: (x)^2 + 2(x)(1/x) + (1/x)^2.
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✓ Correct Answer: A — (x + 1/x)^2
Perfect square trinomial: (x)^2 + 2(x)(1/x) + (1/x)^2.
Share this question