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

Find the sum of the vectors. veca=hati-2 hatj+hatk, vecb=-2 hati+4 hatj+5 hatk and vecc=hati-6 hatj-7 hatk

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

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

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 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

If the vectors 2hati + 2hatj + 6hatk, 2hati + 6hatj + 2hatk+ lambdahatj+6hatk and 2hati - 3hatj + hatk are coplanar, then the value of lambda is

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

Find |veca xx vecb| , if. veca=hati-7 hatj+7 hatk and vecb=3 hati-2 hatj+2 hatk