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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 beA. `3hat(i)+3hat(j)`B. `3hat(i)-3hat(j)`C. `(hat(i))/3-(hat(j))/3`D. Particles never meet |
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Answer» Correct Answer - 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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