A vector `veca=(x,y,z)` makes an obtuse angle with F-axis, and make equal angles with `vecb=(y,-2z, 3x)` and `vecc=(2z, 3x,-y)` and `veca` is perpendicular to `vecd = (1,-1,2)` if `|veca|=2sqrt(3)` then vector `veca` is:

The vectors veca and vecb are non collinear. Find for what value of x the vectors vecc=(x-2)veca+vecb and vecd=(2x+1) veca-vecb are collinear.?

If veca,vecb are vectors perpendicular to each other and |veca|=2, |vecb|=3, vecc xx veca=vecb , then the least value of 2|vecc-veca| is

If veca, vecb are unit vectors such that |veca +vecb|=1 and |veca -vecb|=sqrt3 , then |3 veca+2vecb |=

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 .

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, vecd are on a circle of radius R whose centre is a origin and vecc - veca is perpendicular to vecd.vecb , then |vecd-veca|^(2) +|vecb-vecc|^(2) = kR^(2) where k is equal to………………

If veca,vecb and vecc are three mutually perpendicular unit vectors and vecd is a unit vector which makes equal angle with veca,vecb and vecc , then find the value of |veca+vecb+vecc+vecd|^(2) .

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 are three vectors such that |veca|=3, |vecb|=3, |vecc|=2, |veca+vecb+vecc|=4 and veca is perpendicular to vecb,vecc makes angle theta and phi with veca and vecb respectively, then cos theta+cos theta=

if veca,vecb and vecc are mutally perpendicular vectors of equal magnitudes, then find the angle between vectors and veca+ vecb+vecc .