Algebrahard · Past Paper
Find the HCF of (x^2-1), (x^2-2x+1) and (x^3-1).
Ax - 1
B(x-1)^2
Cx + 1
D1
✓ Correct Answer: A — x - 1
Common factor of (x-1)(x+1), (x-1)^2, and (x-1)(x^2+x+1) is (x-1).
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