If x² - 5x + 4 is a factor of x⁴ - px² + q, then what are the values of p and q respectively?
17, 16
By factoring and comparing coefficients, the correct values of p and q are 17 and 16 respectively. Hence, the correct answer is (a) 17, 16.
What is the HCF of the polynomials x⁸ + x⁴ + 1 and x⁴ + x² + 1?