`veca=hati+hatj+hatk, vecb=hatj-hatk` then find `vec c` such that `vecaxxvec c = vecb` and `veca.vec c=3`

If veca=hati+hatj+hatk and vec=hatj-hatk find a vector vecc such that vecaxxvecc=vecb and veca.vecc=3 .

If veca=hati+hatj+hatk and vecb=hatj-hatk , find a vector vecc such that vecaxxvecc=vecb and veca*vecc=3 .

If veca=hati+hatj+hatk and vecb=hatj-hatk find a vector vecc such that vecaxxvecc=vecb and veca.vecc=3 .

Let veca=2hati+3hatj+4hatk, vecb=hati-2hatj+hatk and vecc=hati+hatj-hatk. If vecr xx veca =vecb and vecr.vec c=3, then the value of |vecr| is equal to

Let veca=2hati+3hatj+4hatk, vecb=hati-2hatj+jhatk and vecc=hati+hatj-hatk. If vecr xx veca =vecb and vecr.vec c=3, then the value of |vecr| is equal to

If veca=3hati+2hatj+2hatk,vecb=hati+2hatj-2hatk Find veca+vecb and veca-vecb

Let veca=hatj-hatk and vecc=hati-hatj-hatk . Then vector vecb satisfying veca xx vecb +vecc=vec0 and veca.vecb=3 is