Question

by using remainder theorem find out 2x^3+x^2-2x-1 is divided by (x+1)​

Answer 1

Answer:

0

Step-by-step explanation:

$x + 1 = 0$

$x = - 1$

Putting x=-1 in equation

$2 {x}^{3} + {x}^{2} - 2x - 1$

$2 {( - 1)}^{3} + {( - 1)}^{2} - 2( - 1) - 1$

$- 2 + 1 + 2 - 1$

$0$