Question

find the remainder when x cube + 2x square - x + 4 by 2x - 1​

Answer 1

Step-by-step explanation:

Let p(x) = x4 + x3 – 2x2 + x + 1 zero of x – 1 is 1 So, P(1) = (1)4 + (1)3 – 2(1)2 + (1) + 1 = 1 + 1 – 2 + 2 = 2 Hence, 2 is the reminder