Vector Algebra ...

For what values of x and y, the vectorsare equal?

Two or more vectors having the same initial point are called ​

If   ,the vectors a and b are ______ .​

If the magnitude of the position vector is 7, the value of x is:​

If and  are the position vectors of the points A, B, C and D such that   then ABCD is:

If  , then

What is the additive identity of a vector?​

The angles α, β, γmade by the vector  with the positive directions of X, Y and Z-axes respectively, then the direction cosines of the vector are: 

If a and b are the position vectors of two points A and B and C is a point on AB produced such that AC = 3AB, then position vector of C will be ​

Vector of magnitude 1 is called.​

If    and  , then the value of scalars x and y are:

The direction of zero vector.​

The unit vector in the direction of  , where A and B are the points (2, –3, 7) and (1, 3, –4) is:

If a be magnitude of vector   then ​

A vector of magnitude 14 units, which is parallel to the vector

For any two vectors a and b ​, we always have

If l, m, n are the direction cosines of a position vector  then which of the following is true?

A vector whose initial and terminal points coincide, is called ​

A point from a vector starts is called______and where it ends is called its______.​

If    are position vectors of the points (- 1, 1) and (m, –2). then for what value of m, the vectors   are collinear.