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

The lines `2 x+y-1=0, a x+3 y-3=0` and `3 x+2 y-2=0` are concurrent

A

for all ' `a` '

B

for `a^(s)=4` only

C

for `-1 leq a leq 3`

D

for `agt0` only

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A
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