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. If the scalar product of three vectors is zero, then vectors are
The angles ?, ?, ??? ? which a non-zero vector ? makes with ? − ????, ? − ???? and
? − ???? respectively are called_____________ of ?.
The vector whose magnitude is 1 is called
Which of the following can be the direction angles of some vector
The lines joining the mid-points of any two sides of a triangle is always _____to the third side.
. If the dot product of two vectors is zero, then the vectors must be
A point P in space has __________ coordinates.
Parallelogram law of vector addition to describe the combined action of two forces, was used
by
Cross product or vector product is defined
A point P in space has __________ coordinates.
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 the cross product of two vectors is zero, then the vectors must be
If any two vectors of scalar triple product are equal, then its value is equal to
Two vectors are said to be negative of each other if they have the same magnitude and
__________direction.
Two vectors are said to be negative of each other if they have the same magnitude and
__________direction.
The angle in semi-circle is equal to:
The vector whose initial point is at the origin and terminal point is ? , is called
The vector whose magnitude is 1 is called
The lines joining the mid-points of any two sides of a triangle is always _____to the third side.
