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The number of values of a for which the ...

The number of values of `a` for which the lines `2x+y-1=0` , `a x+3y-3=0,` and `3x+2y-2=0` are concurrent is 0 (b) 1 (c) 2 (d) infinite

A

All a

B

`a=4 ` only

C

`-1 le a le 3`

D

`a gt 0` only

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The correct Answer is:
A
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