Question

For What Value Of K The Pair Of Linear Equations Has Unique Solution 2X -Y -3=0, 2Kx +7Y-5=0

Answer 1

Step-by-step explanation:

a1=2,b1=1,c1=-3

a2=2K,b2=7,c2=-5

a1/a2 not equal to b1/b2

2/2K not equal to -1/7

cross multiply we get:

14= -2k

therefore; K = 7