Question

for what value of K, system of equation 5x-7y-5=0 and 2x+ky-1=0, have unique solution class 10 question​

Answer 1

Answer:

for unique solution

$\frac{5}{2} is \: not \: equals \: to \: \frac{ - 7}{k} \\ so \: k \: is \: not \: equals \: to \: \frac{ - 14}{5}$

Answer 2

.4 For what value of K, system of equation − − =

and + − = , have unique solution.