Write the expression for the area of the parallelogram having ` vec a\ a n d\ vec b` as its diagonals.

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+2vec q and vec b=2vec 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]| .

(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 a=2 hat i-3 hat j+ hat k ,\ vec b=- hat i+ hat k ,\ vec c=2 hat j- hat k are three vectors find the area of the parallelogram having diagonals ( vec a+ vec b)\ a n d\ ( vec b+ vec c)dot

If vec a=2 hat i-3 hat j+ hat k ,\ vec b=- hat i+ hat k ,\ vec c=2 hat j- hat k are three vectors find the area of the parallelogram having diagonals ( vec a+ vec b)\ a n d\ ( vec b+ vec c)dot

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.

If vec a=2 hat i-3 hat j+ hat k , hat b=- hat i+ hat k , vec c=2 hat j- hat k are three vectors, find the area of the parallelogram having diagonals ( vec a+ vec b) and ( vec b+ vec c) .

If the area of the parallelogram with vec(a) and vec(b) as two adjacent sides is 15 sq. units, then the area of the parallelogram having 3vec(a)+2vec(b) and vec(a)+3vec(b) as two adjacent sides in sq. units is

The area of the parallelogram with vec a and vec b as adjacent sides is 20 sq. units. Then the areaof the parallelogram having 7 vec a + 5 vec b and 8 vec a + 11 vec b as adjacent sides is