If `veca, vecb` and `vecc` are vectors such that `vecb` and `vecc` are perpendicular, but `veca` and `vecb` are not. Let m be areal number. If `vec x.vec a = m, vec x xx vec b= vecc` then

if veca , vecb ,vecc are three vectors such that veca +vecb + vecc = vec0 then

if veca , vecb ,vecc are three vectors such that veca +vecb + vecc = vec0 then

If veca,vecb and vecc are unit vectors such that veca+vecb+vecc=vec0 then angle between veca and vecb is

If vec a , vec b , and vec c are unit vectors such that vec a+ vec b+ vec c=0, then find the value of veca*vecb+vecb*vecc+vecc*veca

If veca, vecb and vecc are vectors such that |veca|=3,|vecb|=4 and |vec|=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

If veca xx (vec b xx vecc) is perpendicular to (veca xx vecb ) xx vecc , we may have

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