Algebrahard · Past Paper
If x = 1 is a double root of x^3 - 3x + 2, it means:
A(x-1) is a factor
B(x-1)^2 is a factor
C(x-1)^3 is a factor
Dx=1 and x=-1 are roots
✓ Correct Answer: B — (x-1)^2 is a factor
A double root implies the factor is squared.
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