Let `veca=7hati-2hatj+hatk,vecb=hati-2hatj+2hatk and vecc=3hati-8hatk` and`vecd=-hatj+hatk`.(iii)Find the unit vector along `vecb-veca`

Let veca=7hati-2hatj+hatk,vecb=hati-2hatj+2hatk and vecc=3hati-8hatk and vecd=-hatj+hatk .(i) Find vecb-veca

Let veca=7hati-2hatj+hatk,vecb=hati-2hatj+2hatk and vecc=3hati-8hatk .i Compute vecaxxvecb and vecaxxvecc .

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

Let veca=7hati-2hatj+hatk,vecb=hati-2hatj+2hatk and vecc=3hati-8hatk .ii Are the products veca.(vecbxxvecc) and (vecaxxvecb).vecc obtained are same?

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

If the vectors veca=hati+hatj+hatk,vecb=2hati-hatj+hatk and vecc=khati-2hatj+3hatk are coplaner then find the value of k.

Let ' veca=hati+4 hatj+2 hatk, vecb=3 hati-2 hatj+7 hatk' and 'vecc=2 hati-hatj+4 hatk'. Find a vector 'd' 'which is perpendicular to both 'veca' and 'vecb', and 'vecc . vecd=15'

i) Compute |hati+hatj+hatk| ii) If veca=2 hati+3 hatj+6 hatk , find the unit vector along veca .