If `(vecaxxvecb)xxvecc=vecaxx(vecbxxvecc), Where veca, vecb and vecc` and any three vectors such that `veca.vecb=0,vecb.vecc=0,` then `veca` and `vecc` are

If (vecaxxvecb)xxvecc=vecaxx(vecbxxvecc) where veca, vecb and vecc are any three vectors such that veca.vecb!=0, vecb. vecc!=0 then veca and vecc are

If (veca xx vecb) xx vecc = veca xx (vecb xx vecc) where veca, vecb and vecc are any three vectors such that veca.vecb =0, vecb.vecc=0 then veca and vecc are:

If (vecaxxvecb)xxvecc=vecaxx(vecbxxvecc), where veca,vecb,vecc are any three vectors such that veca.vecb!=0,vecb.vecc!=0 , then veca and vecc are (A) inclined at an angle pi/3 to each other (B) inclined at an angle of pi/6 to each other (C) perpendicular (D) parallel

If (veca xx vecb) xx vecc = vec a xx (vecb xx vecc) , where veca, vecb and vecc are any three vectors such that veca.vecb ne 0, vecb.vecc ne 0 , then veca and vecc are:

if (vecaxxvecb)xxvecc=vecaxx(vecbxxvecc) where veca,vecb,vecc are any three vectors such that vecb.veccne0 and veca.vecbne0 then veca and vecc are_______

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

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

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