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Post Number: 177
Posted on Monday, 03 October, 2011 - 09:04 am:   

The ends of a rod of length l move on 2 mutually perpendicular lines. Find the locus of the point on the rod, which divides it in the ratio 2:1
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Post Number: 295
Posted on Monday, 03 October, 2011 - 09:55 am:   

What have you tried?

What have you recently studied?

I remember doing a few questions like this just after I'd studied parametric equations. <- In white, highlight to read.

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