Question

the value of k for which the pair of linear equations 4x+6y-1=0 and 2x-ky=7 represent parallel lines

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Answer 1

Answer:

The correct ans is k= 3

Step-by-step explanation:

The pair of linear equations represents parallel lines if:

a2​a1​​=b2​b1​​=c2​c1​​

For the given pair of equation 4x+6y−1=0 and 2x+ky−7=0;

a2​a1​​=24​=2

c2​b1​​=k6​

c2​c1​​=−7−1​=71​

For a2​a1​​=b2​b1​​⟶k=3