If ` vec p` and ` vec q` are unit vectors forming an angle of `30^0;` find the area of the parallelogram having ` vec a= vec p+2 vec q` and ` vec b=2 vec p+ vec q` is its diagonals.

(22) if vec p and vec q are unit vectors forming an angle of 30^@ ; find the area of the parallelogram having veca=vecp+2vecq and vecb=2vecp+vecq as its diagonals. (23) For any two vectors vec a and vec b , prove that | vec a xxvec b|^2=| [vec a* vec a ,vec a*vec b],[ vec b* vec a, vec b* vec b]| .

If vec r=3vec p+4vec q and 2vec r=vec p-3vec q then

If vec p xxvec q=vec r and vec p*vec q=c, then vec q is

For three vectors vec p,vec q and vec r if vec r=3vec p+4vec q and 2vec r=vec p-3vec q then

The area of the parallelogram constructed on the vectors vec a=vec p+2vec q and vec b=2vec p+vec q as sides vec p,vec q are unit vectors.Find their area

If vec p = vec a + vec b, vec q = vec a-vec b | vec a | = | vec b | = 1 then | vec p xxvec q | =

If vec P xx vec Q= vec R, vec Q xx vec R= vec P and vec R xx vec P = vec Q then

What is the anlge between vec P xx vec Q and vec Q xx vec P is

Two vectors vec P and vec Q

Twice of the area of the parallelogram constructed on the vectors vec a=vec p+2vec q and are vec b=2vec p+vec q where vec p and vec q are unit vectors containing an angle of 30^(@) is