Question

Find the value of a maths​

Answer 1

Answer:

(x-a) is a factor of x^3-ax^2+2x+a-1

then a is the zero polynomial

p(x)=x^3-ax^2+2x+a-1

p(a)=(a)^3-a(a)^2+2(a)+a-1

0=a^3-a^3+2a+a-1

3a-1=0

3a=1

a=1/3