Question

if (a^2-1)x^2+(a-1)x+a^2-4a+3=0 is an identify in x then find the value of a​

Answer 1

Answer:

(a² −1)x²+(a−1)x+a²−4a+3=0

(a−1)[(a+1)x²+x+(a−3)]=0

a=1.