The sum, difference and cross produce of two vectors `A` and `B` are mutually perpendicular if

Define cross produced of two vectors and state its propertics.

Dot product of two mutual perpendicular vector is

Let vec a and vec b are two unit vectors that are mutually perpendicular.A unit vector that is equally inclined to vec a.vec b and vec a xxvec b is :

Obtain the scalar product of two mutually perpendicular vectors .

The sum and diffrence of two perpendicular vector of equal length are

The sum and diffrence of two perpendicular vector of equal length are

The vectors 3a5b and 2a+b are mutually perpendicular and the vectors a+4b&-a+b are also mutually perpendicular.Then the acute angle between a and b is

Write the necessary condition for the scalar product of two mutually perpendicular vectors .