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Any vector in an arbitrary direction can be replaced by two or three vectors
The position vector of midpoint of joining the points (2, – 1, 3) and (4, 3, –5) is :
The Position vector of a point (12,n) is such that = 13 then n =
The vector joining the points A(2, – 3, 1) and B(1, – 2, – 5) directed from B to A is:
ABCD is a parallelogram. If coordinates of A,B,C are (2,3), (1,4) and (0, 2). Coordinates of D =
The position vectors of the end points of diameter of a circle are and , then the position vector of the centre of the circle is:
The points with position vectors are collinear vectors, Value of a =
The distance between the point (2, 3, 1) and (–1, 2, – 3) is:
206 videos264 docs139 tests

206 videos264 docs139 tests
