Mock test 1 - Q6 - pending
Q6. Find (q+r) if (x-2)^2 is a factor of x^5 - 5qx + 4r = 0. Solution: If you do the long division eventually you will get this remainder: (-5q+80) x + (4r - 128). This should be 0. If a polynomial is 0, each of its factors has to be 0. 5q = 80 => q = 16. 4r = 128 => r = 32. Answer: 48.