5n - km = 0
kn + 5m = 0
5n + km = 0
kn - 5m = 0
Correct answer is B
Two lines are parallel if and only if their slopes are equal.
kx−5y+6=0⟹5y=kx+6
y=k5x+65
Slope=k5
mx+ny−1=0⟹ny=1−mx
y=1n−mnx
Slope=−mn
Parallel⟹k5=−mn
−5m=kn⟹5m+kn=0
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