Algebraeasy · Past Paper
The product of (x+1), (x-1) and (x^2+1) is:
Ax^4 - 1
Bx^4 + 1
C(x^2-1)^2
Dx^3 - 1
✓ Correct Answer: A — x^4 - 1
(x+1)(x-1) = x^2-1. (x^2-1)(x^2+1) = x^4-1.
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✓ Correct Answer: A — x^4 - 1
(x+1)(x-1) = x^2-1. (x^2-1)(x^2+1) = x^4-1.
Share this question