Question

find the value of k from the following system of equation has a unique solution:x-ky=2 and 3x+ 2Y= -5

Answer 1

heya. it's Aastha.....

on comparing equation standard form .
a1 = 1 , a2 = 3 b1 = -k ,b2 = 2
the equation has unique solution .
then,

◆ a1/a2 # b1/b2

1 /3 # -k/ 2

k # -2/3..

except -2/3 the remaining values r the value of K.

I hope it help you