If `veca and vecb ` are two unit vectors perpendicular to each other and `vecc=lamda_1veca+lamda_2vecb+lamda_3(vecaxxvecb)` then the following is (are) true

If veca and vecb are two unit vectors perpenicualar to each other and vecc= lambda_(1)veca+ lambda_2 vecb+ lambda_(3)(vecaxx vecb), then which of the following is (are) true ?

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, vecc be three units vectors perpendicular to each other, then |(2veca+3vecb+4vecc).(veca xx vecb+5vecbxxvecc+6vecc xx veca)| is equal to

If veca,vecb,vecc are unit vectors such that veca is perpendicular to vecb and vecc and |veca+vecb+vecc|=1 then the angle between vecb and vecc is (A) pi/2 (B) pi (C) 0 (D) (2pi)/3

If veca and vecb are two unit vectors such that veca+2vecb and 5veca-4vecb are perpendicular to each other, then the angle between veca and vecb is

If veca,vecb and vecc are non coplaner vectors such that vecbxxvecc=veca , veccxxveca=vecb and vecaxxvecb=vecc then |veca+vecb+vecc| =

If veca, vecb, vecc are non coplanar vectors and lamda is a real number, then [(lamda(veca+vecb), lamda^(2)vecb, lamdavecc)]=[(veca, vecb+vecc,vecb)] for

If veca and vecb are two vectors , then prove that (vecaxxvecb)^(2)=|{:(veca.veca" ",veca.vecb),(vecb.veca" ",vecb.vecb):}|

If veca and vecb are two vectors , then prove that (vecaxxvecb)^(2)=|{:(veca.veca" ",veca.vecb),(vecb.veca" ",vecb.vecb):}|

Let veca and vecb be unit vectors such that |veca+vecb|=sqrt3 . Then find the value of (2veca+5vecb).(3veca+vecb+vecaxxvecb)