Question

Find k for unique solution 2x+y=3 ,ky+x=8.
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Answer 1

Answer:

for a unique solution

a1/a2≠b1/b2

2x+y=3

x+ky=8

2/1≠1/k

2≠1/k

k≠1/2

k can be any value except 1/2

Step-by-step explanation:

Answer 2

see the attached file.........