One factor of x4+x2-20 is x2+5. The other factor is

f (x) = x⁴ +x2 -20(x2 + 5) (x2 - 4)Therefore, (x2+5) and (x2-4) are the factors of f(x)

Q8 of 96 Page 6

One factor of x⁴+x²-20 is x²+5. The other factor is

f (x) = x⁴ +x² -20

(x² + 5) (x² - 4)

Therefore, (x²+5) and (x²-4) are the factors of f(x)

Let f(x) be a polynomial such that f = 0, then a factor of f(x) is

When x³-2x²+ax=b is divided by x²-2x-3, the remainder is x-6. The value of a and b respectively

If (x-1) is a factor of polynomial f(x) but not of g(x), then it must be a factor of

(x+1) is a factor of xⁿ+1 only if