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3-1.Vectors
easy
Position of a particle in a rectangular-co-ordinate system is $(3, 2, 5)$. Then its position vector will be
A
$3\hat i + 5\hat j + 2\hat k$
B
$3\hat i + 2\hat j + 5\hat k$
C
$5\hat i + 3\hat j + 2\hat k$
D
None of these
Solution
(b)If a point have coordinate $(x, y, z)$ then its position vector $ = x\hat i + y\hat j + z\hat k.$
Standard 11
Physics
