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FIND A UNIT VECTOR IN THE DIRECTION FROM POINT P(1,-1,2) TO POINT Q(-1,1,1)
Dear Ganesh first find out the vector from P to Q vector PQ = ( – 1, 1, 1) – (1, – 1, 2) = – 2i + 2j – k hence unit vector = – 2i + 2j – k / (sqrt(4 + 4 + 1)) = (– 2i + 2j – k )/ 3 RegardsArun
Hello Ganesh, Given points are:Initial Point: P(1, -1, 2)Final Point: Q(-1, 1, 1) Hence, unit vector in the direction P->Q is(-1-1) i + [1-(-1)] j + [1-2]k= -2i + 2j – k Thanks!
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