Question

for what value of k , for which the equation is x+y-4=0and 2x+Ky=3 has a unique solution​

Answer 1

Answer:

k=2

Step-by-step explanation:

x+y-4=0

2x+ky-3=0

so, a1=x,b1=y,c1=-4

a2 = 2x,b2=ky, C2=-3

A1/A2 = B1/B2= C1/C2

x/2x = y/ky = -4/-3

1/2= 1/k= 4/3

1×k = 2×1

k=2

value of k is 2

Answer 2

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