Let vecu= hati+hatj, vecv = hati -hatj ...

Let `vecu= hati+hatj, vecv = hati -hatj and vecw = hati+2hatj+3hatk`. If `hatn` is a unit vector such that `vecu.hatn =0 and vecv.hatn=0` then find the value of `|vecw.hatn|`

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Let vecu=hai+hatj,vecv=hati-hatj and vecw=hati+2hatj+3hatk . If hatn isa unit vector such that vecu.hatn=0 and vecv.hatn=0, |vecw.hatn| is equal to (A) 0 (B) 1 (C) 2 (D) 3

If veca = (-hati + hatj - hatk) and vecb = (2hati- 2hatj + 2hatk) then find the unit vector in the direction of (veca + vecb) .

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

The value of [hati - hatj , hatj - hatk, hatk - hati] is :

If veca.veci=veca.(hati+hatj)=veca.(hati+hatj+hatk) . Then find the unit vector veca .

Let veca=hati + hatj +hatk,vecb=hati- hatj + hatk and vecc= hati-hatj - hatk be three vectors. A vectors vecv in the plane of veca and vecb , whose projection on vecc is 1/sqrt3 is given by

Let veca=2hati=hatj+hatk, vecb=hati+2hatj-hatk and vecc=hati+hatj-2hatk be three vectors . A vector in the pland of vecb and vecc whose projection on veca is of magnitude sqrt((2/3)) is (A) 2hati+3hatj+3hatk (B) 2hati+3hatj-3hatk (C) -2hati-hatj+5hatk (D) 2hati+hatj+5hatk

Find the resultant of vectors veca=hati-hatj+2hatk and vecb=hati+2hatj-4hatk . Find the unit vector in the direction of the resultant vector.

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