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For what value of m does the system of e...

For what value of `m` does the system of equations `3x+m y=m ,2x-5y=20` has solution satisfying the conditions `x >0,y >0?`

A

`m in (0 infty)`

B

`m in (- infty, - (15)/(2)) cup (30, infty)`

C

`m in (- (15)/(2), infty)`

D

None of these

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The correct Answer is:
B
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