Question

Find the remainder when 4x^3 – 5x + 1 is divided by x^(-2)?
Choices:-
23
33
14
20​

Answer 1

Answer:

remainder is 23

using remainder theorem

$f(x) = 4 {x}^{3} - 5x + 1$

$f(2) = 4 \times {2}^{3} - 5 \times 2 + 1$

$f(2) = 23$