Question

find b if (x-a) is a factor of x cube-3x square a+2a square x +b ​

Answer 1

Answer:

b= 0

Step-by-step explanation:

x-a =0

x=a

according to question,

x^3-3x^2a+2a^2x+b=0

putting a at the place of x

(a)^3-3(a)^2a+2a^2(a)+b=0

a^3-3a^3+2a^3+b=0

-2a^3+2a^3+b=0

so,

b=0