Algebrahard · Past Paper
Find the HCF of x^4 + x^2 + 1 and x^2 + x + 1.
Ax^2 - x + 1
Bx^2 + x + 1
Cx - 1
D1
✓ Correct Answer: B — x^2 + x + 1
x^4 + x^2 + 1 = (x^2 + x + 1)(x^2 - x + 1). Thus, HCF is x^2 + x + 1.
Share this question
✓ Correct Answer: B — x^2 + x + 1
x^4 + x^2 + 1 = (x^2 + x + 1)(x^2 - x + 1). Thus, HCF is x^2 + x + 1.
Share this question