Question

for what value of k the following pair of linear equation has unique solution kx +3y=3 and 12x +ky =6​

Answer 1

kx + 3y = 3..ieq.

12x + ky =6..iieq.

for unique solution

a1÷a2not=b1÷b2

k÷12 not = 3÷k (cross multiply)

2k not= 36

k not=36÷2

k not =18 ans.

2

Answer 2

Answer:

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