Algebramedium · Past Paper

Divide x^3 - 1 by x - 1.

Ax^2 + 1
Bx^2 + x + 1
Cx^2 - x + 1
Dx^2 - 1

✓ Correct Answer: Bx^2 + x + 1

Using the identity a^3 - b^3 = (a-b)(a^2 + ab + b^2).

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