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The drawing shows a top view of a square room. One wall is missing and the other three are each mirrors. From point p in the centre of the open side, a laser is fired, with the intent of hitting a small target located at the centre of one wall. Identify vector in whose direction the laser can be fired and score a hit, assuming that the light does not strike any mirror more than once. |
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Answer» `hat(i)/3+hat(j)` `2xy=x^(2)-yx` `3xy=x^(2)` `y=x/3` `-XHAT(i)+x/3hat(j)` 
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