ABCD is a quadrilateral and let `AB = vec a`, `AD = vec b`, `AC = m vec a + n vecb` then the area of the quadrilateral is

ABCD is a quadrilateral and let AB=vec a ,AD=vec b,AC=mvec a+nvec b then the area of the quadrilateral is

ABCD is quadrilateral such that vec AB=vec b,vec AD=vec d,vec AC=mvec b+pvec d Show that he area of the quadrilateral ABCDis(1)/(2)|m+p||vec b xxvec d|

If ABCD is a quadrilateral with vec AB = vec a, vec AD = vec b and vec AC = 2 vec a + 3 vec b . If its areas is alpha times the area of the parallelogram with AB, AD as adjacent sides than alpha =

A B C D is quadrilateral such that vec A B= vec b , vec A D= vec d , vec A C=m vec b+p vec ddot Show that he area of the quadrilateral A B C Di s1/2|m+p|| vec bxx vec d|dot

ABCD is a quadrilateral with vec AB=vec a,vec AD=vec b and vec AC=2vec a+3vec b If its area is alpha xx the area of the parallelogram with AB and AD as adjacent sides,then alpha=

A B C D is a quadrilateral. Find the sum the vectors vec B A , vec B C , and vec D A .

A B C D is a quadrilateral. Find the sum the vectors vec B A , vec B C , and vec D A .

The position vectors of the vertices of a quadrilateral with A as origin are B( vec b),D( vec d)a n dC(l vec b+m vec d)dot Prove that the area of the quadrialateral is 1/2(l+m)| vec bxx vec d|dot

The position vectors of the vertices of a quadrilateral with A as origin are B( vec b),D( vec d)a n dC(l vec b+m vec d)dot Prove that the area of the quadrialateral is 1/2(l+m)| vec bxx vec d|dot

The position vectors of the vertices of a quadrilateral with A as origin are B( vec b),D( vec d)a n dC(l vec b+m vec d)dot Prove that the area of the quadrialateral is 1/2(l+m)| vec bxx vec d|dot