Question

find the value of M when m + 1 x minus 3 k y + 15 = 0 and 5 x + K Y + 5 = 0 are coincident

Answer 1

m+1x-3ky+15=0
m+1x-3ky=0-15
m+1x-3ky=-15
m+1x+ky=15/3
m+x+ky=5

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