Find the remainder when x^3–*x^2*+ 1 is divided by 2*x *+ 1.

A. -11

B. 5/8

C.7/8

D.9/8

E. 5

### 1 Answer | Add Yours

Using remainder theorem when f(x) is divided by (2x+1) the remainder is given when;

`2x+1= 0`

`x = -1/2`

Remainder

`= f(-1/2) `

`= (-1/2)^3 - (1/2)^2 + 1`

`= -1/8 - 1/4+ 1`

`= 5/8`

*So the remainder is 5/8. Correct answer is B.*

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