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

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

If vecA= 3hati+2hatj and vecB= 2hati+ 3hatj-hatk , then find a unit vector along (vecA-vecB) .

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

Let veca=hati+3hatj+7hatk and vecb=7hati-hatj+8hatk find the projection of veca on vecb

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

Let veca=hati+3hatj+7hatk and vecb=7hati-hatj+8hatk find the projection of vecb on veca

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

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

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