Algebrahard · Past Paper
Factorize a^3 - 3a^2 + 3a - 1.
A(a-1)^3
B(a+1)^3
C(a-1)(a^2+a+1)
D(a-1)^2(a+1)
✓ Correct Answer: A — (a-1)^3
This is the expansion of (a-b)^3 = a^3 - 3a^2b + 3ab^2 - b^3 where b=1.
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✓ Correct Answer: A — (a-1)^3
This is the expansion of (a-b)^3 = a^3 - 3a^2b + 3ab^2 - b^3 where b=1.
Share this question