Question

Find the value of „k‟ for which the following system of equations represents a pair of coincident lines: x + 2y = 3; (k - 1)x + (k + 1)y = k + 3.

Answer 1

Step-by-step explanation:

for concidient linea put

a1/a2 =b1/b2 =c1/c2

solve this and u will get the ans