Question

if x+1 is the factor of ax3 +x2-2x+4a-9 then find value of a​

Answer 1

Answer:

2

Explanation:

let us take p(x)=ax^3+x^2-2x+4a-9

x+1 is the factor of p(x)

then, substitute x=-1

a(-1)^3+(-1)^2-2(-1)+4a-9=0

-a+1+2+4a-9=0

3a-6=0

3a=6

a=6/3

a=2