The lines joining the mid-points of any two sides of a triangle is always _____to the third side.

The lines joining the mid-points of any two sides of a triangle is always _____to the third side.

A point P in space has __________ coordinates.

The vector whose magnitude is 1 is called

The vector whose initial point is at the origin and terminal point is ? , is called

Which of the following can be the direction angles of some vector

The vector whose magnitude is 1 is called

Parallelogram law of vector addition to describe the combined action of two forces, was used
by

Two vectors are said to be negative of each other if they have the same magnitude and
__________direction.

If the cross product of two vectors is zero, then the vectors must be

A point P in space has __________ coordinates.

The angle in semi-circle is equal to:

Cross product or vector product is defined

. If the scalar product of three vectors is zero, then vectors are

. If the dot product of two vectors is zero, then the vectors must be

Parallelogram law of vector addition to describe the combined action of two forces, was used
by

The vector whose initial point is at the origin and terminal point is ? , is called

If any two vectors of scalar triple product are equal, then its value is equal to

The angles ?, ?, ??? ? which a non-zero vector ? makes with ? − ????, ? − ???? and
? − ???? respectively are called_____________ of ?.

Two vectors are said to be negative of each other if they have the same magnitude and
__________direction.