Find the value of m, when (m+1)x=3ky+15=0 and 5x+ky+5=0 are coincident. (3)
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a/b=0
Then,
(m+1)x/5x = 0
5 = m+1
m= 4
Then,
(m+1)x/5x = 0
5 = m+1
m= 4
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