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

Consider the vectors veca=hati+2hatj-3hatk and vecb=4hati-hatj-2hatk . Find absveca and absvecb

If veca=3hati+2hatj+2hatk,vecb=hati+2hatj-2hatk . Find a unit vector perpendicular to both veca+vecb and veca-vecb

Consider the vectors veca=hati+2hatj-3hatk and vecb=4hati-hatj-2hatk . Find veca.vecb

If veca = hati-3hatj + a hatk , vecb =hati - 2hatj +5hatk and veca xx vecb = -2 hati +hatj +beta hatk then the value of beta is equal to

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 and vecd=-hatj+hatk .(iii)Find the unit vector along vecb-veca

If veca=2hati+2hatj+3hatk and vecb=2hati-hatj+hatk , then the value of (veca+vecb).(veca-vecb) is equal to

If veca = hati + lambda hatj - 2hatk , vecb=2hati-3hatj-3hatj+5hatk and veca.vecb = - 20 then the value of lambda is equal to

Consider the vectors veca=hati+2hatj-3hatk and vecb=4hati-hatj-2hatk . Find the projections of veca on vecb and vecb on veca .