If `veca=2hati-2hatj+hatk,vecb=hati+2hatj-2hatk` and `vecc=2hati-hatj+4hatk`, then find the projection of `(vecb+vecc)` on `veca`.

If veca = 2hati-2hatj+hatk , vecb = 2hati-hatj+4hatk , and vecc = hati+2hatj-2hatk then find the projection of vecb+vecc on veca .

If veca=hati+2hatj-hatk, vecb=2hati+hatj+hatk and vecc=5hati-4hatj+3hatk then find the value of (veca+vecb).vecc .

If veca=7hati+hatj-4hatk and vecb=2hati+6hatj+3hatk find the projection of veca and vceb .

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

Let veca=2hati+3hatj+2hatk and vceb=hati+2hatj+hatk . Find the projection of vecb and veca .

If veca =3hati-2hatj+hatk,vecb=2hati-4hatj-3hatk , find |veca-2vecb| .

If veca=hati+4hatj+2hatk , vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4hatk then find a vector vecd (which is _|_ ar to both veca and vecb ) and vecc.vecd =15.

If veca=2hati-hatj+hatk , vecb=hati+3hatj-2hatk and vecc=3hati+hatj-hatk then show that (veca×vecb).vecc=veca.(vecb×vecc)

If veca=2hati+hatj+4hatk and vecb=3hati-2hatj+hatk then veca.vecb=

If veca=7hati-2hatj+3hatk, vecb=hati-hatj+2hatk, vecc=2hati+8hatj , then find veca*(vecbxxvecc) and (vecbxxvecc)*veca .