Algebramedium · Past Paper
What is the factorization of x^2 - 1/x^2?
A(x-1/x)(x+1/x)
B(x-1/x)^2
C(x^2-1)/x^2
D(x+1/x)^2
✓ Correct Answer: A — (x-1/x)(x+1/x)
Difference of squares identity: x^2 - (1/x)^2.
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