Find the unit vector parallel to the
resultant of vectors P = 2î +3j+2k and =i+j+k
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Resultant of the vectors given is
(i-j+3k)+(2i+j-2k)+(-i-j-3k)
Which is equal to r= 2i-j-2k
Magnitude of r=|r|=√(2²+1²+2²)=3
Therefore the unit vectoe in the direction r is
(1/3)×(2i-j+2k)
Explanation:
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