Show that the point `A ,B ,C` with position vectors ` vec a-2 vec b+3 vec c ,2 vec a+3 vec b-4 vec c` and `-7 vec b+10 vec c` are collinear.

Show that the point A,B,C with position vectors vec a-2vec b+3vec c,2vec a+3vec b-4vec c and -7vec b+10vec c are collinear.

Show that the points with position vectors vec a- 2 vec b+ 3 vec c , -2 vec a + 3 vec b+ 2 vec c and -8 vec a + 13 vec b are collinear, whatever vec a , vec b and vec c may be.

Show that the points with position vectors vec a-2 vec b+3 vec c ,\ -2 vec a+3 vec b- vec c\ a n d\ 4 vec a-7 vec b+7 vec c are collinear.

The three points whose position vectors are vec a - vec 2b + 3 vec c, vec 2a + vec 3b - 4 vec c and - 7 vec b + 10 vec c

Show that the points A ,B ,C with position vectors -2 vec a+3 vec b+5 vec c , vec a+2 vec b+3 vec c a n d7 vec a- vec c respectively, are collinear.

Show that the points with position vectors vec a-2vec b+3vec c,-2vec a+3vec b-vec c and 4vec a-7vec b+7vec c are collinear.

Show that the points with position vectors vec a-2vec b+3vec c,-2vec a+3vec b+2vec c and -8vec a+13vec b are collinear whatever be vec a,vec b,vec c .

Show that the points A,B,C with position vectors 2vec a+3vec b+5vec c,vec a+2vec b+3vec c and 7vec a-vec c respectively,are collinear.

The points with position vectors vec a-2vec b+3vec c,2vec a+lambdavec b-4vec c,-7vec b+10vec c will be collinear if lambda=...cdots

Show that the points whose position vectors are vec(a) + 2vec(b) + 5vec(c), 3vec(a) + 2vec(b) + vec(c), 2vec(a) + 2vec(b) + 3vec(c) are colliner.