Question

Find m, if the quadratic equation (m-1)x^2-2(m-1)x+1=0 has real and equal roots

Answer 1

Answer:

b^2 -4ac=0

(2m+2)^2-4(m-1)=0

4m^2+4-4m+4=0

4m^2-4m=-8

m^2-m=-2

m^2-m+2=0

hope it helped you................