Algebramedium · Past Paper

Find the HCF of (x - 1)^2 and (x^2 - 1).

Ax - 1
Bx + 1
Cx^2 - 1
D1

✓ Correct Answer: Ax - 1

(x-1)^2 = (x-1)(x-1) and (x^2-1) = (x-1)(x+1). Common factor is (x-1).

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