1.

If the lines mx+ ( 2m + 3)y+ m + 6=0 and (2m+1) x + (m-1) y+m-9=0 intersects on Y-axis then m=…....

Answer»

`-1` OR `21`
`1` OR `21`
`-1` OR `-21`
`-(1)/(2)` OR `-(3)/(2)`

ANSWER :D


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