for what value of k the pair of equations kx+3y=3 and 12x+6y=6 has unique solutions?
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Answered by
1
Answer:
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
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