Question

What is the remainder when the polynomial f(x) = x³ - x² + 3x - 2, is divided by 2x - 1​

Answer 1

Equate the divisor to 0

2x-1=0

2×=1

×=1/2

Putting onto the polynomial

f(1/2) = (1/2)³-1/2)²+3(1/2)-2

=-5/8