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The lines 2x-y-1=0, ax+3y-3=0 and 3x+2y-...

The lines 2x-y-1=0, ax+3y-3=0 and 3x+2y-2=0 are concurrent for

A

all `ainR`

B

a=4 only

C

`-1leale3`

D

`agt0` only

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The correct Answer is:
A
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