Let `veca, vecb and vecc` be three units vectors such that `3veca + 4vecb + 5vecc =0`. Then which of the following statements is true ?

Let veca,vecb,vecc be three unit vectors such that 3veca+4vecb+5vecc=vec0 . Then which of the following statements is true? (A) veca is parrallel to vecb (B) veca is perpendicular to vecb (C) veca is neither parralel nor perpendicular to vecb (D) veca,vecb,vecc are copalanar

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

Let veca,vecb,vecc be unit vectors such that veca+vecb+vecc=vec0 . Which of the following is correct?

If veca, vecb, vecc are the unit vectors such that veca + 2vecb + 2vecc=0 , then |veca xx vecc| is equal to:

Let veca,vecb,vecc be three non-zero vectors such that [vecavecbvecc]=|veca||vecb||vecc| then

let veca, vecb and vecc be three unit vectors such that veca xx (vecb xx vecc) =sqrt(3)/2 (vecb + vecc) . If vecb is not parallel to vecc , then the angle between veca and vecb is:

If veca, vecb, vecc are vectors such that veca.vecb=0 and veca + vecb = vecc then:

Let veca , vecb , vecc be three unit vectors such that |veca + vecb +vecc| =1 and veca bot vecb , " if " vecc makes angles delta beta " with " veca, vecb respectively, then cos delta + cos beta is equal to

Let veca, vecb and vecc be unit vector such that veca + vecb - vecc =0 . If the area of triangle formed by vectors veca and vecb is A, then what is the value of 4A^(2) ?

Let veca,vecb and vecc be three vectors. Then scalar triple product [veca vecb vecc] is equal to