Let `veca,vecb,vecc` be three vectors such that `|veca|=3,|vecb|=4,|vecc|=12` and each one of them being perpendicular to the sum of the other two. Find `|veca+vecb+vecc|`.

Let vec a,vecb,vecc be three vectors such that |veca|=3,|vecb|=4,|vecc|=5 and each one of them being perpendicular to the sum of the other two , find |veca+vecb+vecc| .

Let vecC=vecA+vecB

If veca,vecb and vecc are three vectors such that |veca|= 3, |vecb|=4 and |vecc|=sqrt(24) and sum of any two vectors is orthogonal to the third vector , then find |veca+vecb+vecc|.

If veca,vecb,vecc are three vectors such that veca+2vecb+vecc=vec0 and |veca|=3,|vecb|=4,|vecc|=7 , find the angle between veca and vecb .

If veca,vecb,vecc are three vectors such that veca+2vecb+vecc=vec0and|veca|=3,|vecb|=4,|vecc|=7 , find the angle between vecaandvecb .

If veca,vecb,vecc are three vectors such that veca+2vecb+vecc=vec 0 and|veca|=3,|vecb|=4,|vecc|=7 find the angle between vecaandvecb

If veca, vecb and vecc are vectors such that |veca|=3,|vecb|=4 and |vecc|=5 and (veca+vecb) is perpendicular to vecc, (vecb+vecc) is perpendicular to veca and (vecc+veca) is perpendicular to vecb then |veca+vecb+vecc|= (A) 4sqrt(3) (B) 5sqrt(2) (C) 2 (D) 12

Let veca vecb and vecc be pairwise mutually perpendicular vectors, such that |veca|=1, |vecb|=2, |vecc| = 2 , the find the length of veca +vecb + vecc .

If veca,vecb,vecc are unit vectors such that veca+vecb+vecc=vec0 , find the value of veca*vecb+vecb*vecc+vecc*veca .