Question

a pair of linear equation 4x+ky+8=0 and 4x+4y+2=0 represent parallel lines then value of k​

Answer 1

Answer:

HOW TO SOLVE?

For parallel lines,

$\frac{a1}{a2} = \frac{b1}{b2}$

So, it will become,

$\frac{4}{4} = \frac{k}{4} \\ \\ 16 = 4k \\ k = \frac{16}{4} \\ k = 4$

The value of k should be 4. So, that the lines become parallel.

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