If `veca,vecb,vecc` be three vectors such that `|veca+vecb+vecc|=1, vecc=lambda(vecaxxvecb)` and `|veca|=1/sqrt2, |vecb|=1/sqrt3, |vecc|=1/sqrt6`, then the angle between `veca` and `vecb` is

If veca, vecb and vecc are such that [veca vecb vecc] =1, vecc= lambda veca xx vecb , angle between veca and vecb is 2pi//3,|veca|=sqrt2 |vecb|=sqrt3 and |vecc|=1/sqrt3 then the angle between veca and vecb is

If veca, vecb and vecc are such that [veca vecb vecc] =1, vecc= lambda veca xx vecb , angle between veca and vecb is 2pi//3,|veca|=sqrt2 |vecb|=sqrt3 and |vecc|=1/sqrt3 then the angle between veca and vecb is

If veca, vecb and vecc are such that [veca \ vecb \ vecc] =1, vecc= lambda (veca xx vecb) , angle between vecc and vecb is 2pi//3 , |veca|=sqrt2, |vecb|=sqrt3 and |vecc|=1/sqrt3 then the angle between veca and vecb is

If veca, vecb and vecc are such that [veca \ vecb \ vecc] =1, vecc= lambda (veca xx vecb) , angle between vecc and vecb is 2pi//3 , |veca|=sqrt2, |vecb|=sqrt3 and |vecc|=1/sqrt3 then the angle between veca and vecb is

If veca, vecb, vecc are any three vectors such that (veca+vecb).vecc=(veca-vecb)vecc=0 then (vecaxxvecb)xxvecc is

If veca, vecb, vecc are any three vectors such that (veca+vecb).vecc=(veca-vecb)=vecc=0 then (vecaxxvecb)xxvecc is

Let veca,vecb,vecc be the three vectors such that veca.(vecb+vecc)+vecb.(vecc+veca)+vecc.(veca+vecb)=0 and |veca|=1,|vecb|=4,|vecc|=8, then |veca+vecb+vecc| equals :

If veca , vecb and vecc are three vectors such that vecaxx vecb =vecc, vecb xx vecc= veca, vecc xx veca =vecb then prove that |veca|= |vecb|=|vecc|

If veca , vecb and vecc are three vectors such that vecaxx vecb =vecc, vecb xx vecc= veca, vecc xx veca =vecb then prove that |veca|= |vecb|=|vecc|

If veca , vecb and vecc are three vectors such that vecaxx vecb =vecc, vecb xx vecc= veca, vecc xx veca =vecb then prove that |veca|= |vecb|=|vecc|