The pair of linear equation 2x + ky - 3 = 0
6x + y + 7 = 0 has a unique solution if
x+7=(
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k=2÷3
Step-by-step explanation:
Since, in a unique solution,
a1=2
a2=6
b1=2
b2=3
Where,
a1/a2≠b1/b2
2/6≠2/3
Where 2/6 is not equal to 2/3 which means it has an unique solution.
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