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Question

If the lines x+q=0, y2=0 and 3x+2y+5=0 are concurrent, then the value of q will be


  1. 2

  2. 5

  3. 1

  4. 3


Solution

The correct option is D

3


The lines x+q=0, y2=0 and 3x+2y+5=0 are concurrent.

 ∣ ∣10q012325∣ ∣=0

 1(5+4)0+q(03)=0

 3q=9

 q=3

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