MathematicsMediumHigh School (11–12)Vectors and Three-Dimensional Geometry › Vector AlgebraA-LevelIBAEEE (Amrita)AMUEEEAP EAPCETBCECE
Created by StemPy LabThe two ends of a straight steel beam are at and , with lengths in metres. A support is fixed at the middle of the beam. At which point is it?
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← A student writes down four sets of three numbers and claims that one of them can be the direction cosines of a line in space. Which set is possible?A student wants the point P on the segment from A(-1, 2, 3) to B(7, -2, -5) with AP : PB = 3 : 1. She works out (3 a + b)/4 and gets (1, 1, 1). Which statement is correct? →
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