If `veca=2hati-hatj+3hatk,vecb =hati+hatj-hatk, vecc=3hati+4hatj-5hatk`, then find a unit vector parallel to the vector `3veca+vecb-vecc`.

If veca=5hati+hatj-4hatk,vecb=2hati+3hatj+hatk,vecc=hati+3hatj-2hatk , then find a unit vector parallel to the vector 2veca-vecb+3vecc .

If veca=hati+hatj+hatk,vecb=2hati-hatj+3hatk,vecc=hati-2hatj+hatk , then find a unit vector parallel to the vector 2veca-vecb+3vecc .

If veca=5hati+hatj-4hatk, vecb=2hati-3hatj+hatk and vecc=hati+3hatj-2hatk then find a unit vector parallel to the vector 2veca+vecb+3vecc .

veca=hati+hatj+hatk,vecb=2hati-hatj+3hatk,vecc=hati-2hatj+hatk then find a unit vectors parallel to vector 2veca-vecb+vecc .

If veca=4hati-hatj+hatk and vecb= 2hati-2hatj+hatk , then find a unit vector parallel to the vector veca + vecb .

If veca = hati + hatj+hatk, vecb = 2hati-hatj+3hatk and vecc = hati-2hatj+hatk , find a unit vector parallel to the vector 2veca - vecb + 3vecc

IF veca=2hati-hatj+2hatk and vecb=6hati+2hatj+3hatk , find a unit vector parallel to veca+vecb .

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

If veca=3hati-hatj+2hatk and vecb=-hati-2hatj+4hatk , find a unit vector along the vector (veca+vecb) .

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