Question

(iv)
For the quadratic equation (k-1)n2 =kn-1;
k#1, then roots are numerically equal but
opposite sign then k=​

Answer 1

(k-1)n²=kn-1

(k-1)n²-kn+1=0

Given : -b/a = - c/a

=> b = c

-k = 1

k = -1

Answer 2

Answer:

(k-1)n^2=kn-1

(k-1)n^2-kn+1=0

Given:-b/a=-c/a

=b=c

-k=1

k=-1