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Though a point P(h, k, l) a plane is drawn at right angles to OP to meet the coordinate axes in A, B and C. If OP = p, show that the area of \(\triangle\)ABC is \(\frac {p^5} {2hkl}\).
Updated Thu, 30 Aug 2018 03:45 pm
Two ships A and B are 10 km apart on a line running south to north. Ship A farther north is streaming west at 20 km/hr and ship B is streaming north at 20 km/hr. What is their distance of closest approach?
Updated Thu, 30 Aug 2018 03:35 pm