Question

if x+1 and x-1 are rhe factors of fx=x³+2ax+b then the value of 2a+3b is​

Answer 1

Answer:

-1

Step-by-step explanation:

the answer is -1. by placing the roots in the given f(x) gives you two equations by solving them you get the values of a and b . so place them in the question to get the solution