Question

For what values of k, do the eq.3x-y+8 =0and 6x-ky=16 represent coincident lines

Answer 1

Hi friend!!!

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We know that, if two lines a1x+b1y+c1=0 and a2x+b2y+c2=0 are coincident, then

a1/a2=b1/b2

→3/6=1/k

→1/2=1/k

→k=2

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I hope this will help u ;)