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Two particles A and B move along the str...

Two particles A and B move along the straight lines `x+2y+3=0` and `2x+y-3=0` respectively. Their positive vector, at the time of meeting will be

A

`3hat(i)+3hat(j)`

B

`3hat(i)-3hat(j)`

C

`(hat(i))/3-(hat(j))/3`

D

Particles never meet

Text Solution

Verified by Experts

The correct Answer is:
B
The particles meet at the point intersection of lines.
By solving them `x=3, y=-3`, So position vector of meeting point will be `3hat(i)-3hat(j)`
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