Question

If x4 – 3x^3
+ 5x is divided by 2x – 1,
then the remainder is​

Answer 1

Answer:

Let f(x)=x4−3x^3+5

zero of 2x−1 is x=1/2

By remainder theorem, remainder is given by

f(21)=(1/2)4−3(1/2)^3+5(1/2)

           =2−0.375+5(1/2)

           =1.625+5/2

           =4.125