If `veca=5hati-hatj-3hatk` and `vecb=hati+3hatj-5hatk`, then show that the vectors `veca+vecb` and `veca-vecb` are perpendicular.

If veca=hati+2hatj-3hatk and vecb=3hati+hatj+2hatk show that the vectors veca+vecb and veca-vecb are perpendicular to other.

If a=4hati+2hatj-hatk and vecb=5hati+2hatj-3hatk find the angle between the vectors veca+vecb and veca-vecb

If veca=5hati-hatj+7hatk and vecb=hati-hatj+lamda hatk, find lamda such that veca+vecb and veca-vecb are orthogonal

If veca = 2hati -3hatj-1hatk and vecb =hati + 4hatj -2hatk " then " veca xx vecb is

If veca=2hati-hatj+2hatk and vecb=-hati+hatj-hatk calculate veca+vecb

If veca=3hati+hatj-4hatk and vecb=6hati+5hatj-2hatk find |veca Xvecb|

If veca=hati+2hatj-hatk and vecb=3hati+hatj-hatk find a unit vector int direction of veca-vecb .

If veca=hati-2hatj+3hatk and vecb=2hati+3hatj-5hatk then find vecaxxvecb and verify that vecaxxvecb is perpendicular to each one of veca and vecb .

If vecA=2hati+3hatj-hatk and vecB=-hati+3hatj+4hatk then projection of vecA on vecB will be

If veca=3hati+4hatj-5hatk and vecb=7hati-3hatj+6hatk find a unit vector along (veca+vecb)xx(veca-vecb) .