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

(i) Find the sum of vectors veca=hati-2hatj+hatk , vecb=-2hati+4hatj+5hatk , and vecc=hati-hatj-7hatk (ii) Find the magnitude of the vector veca=3hati-2hatj+6hatk .

Select CORRECT statement(s) for three vectors veca=-3hati+2hatj-hatk, vecb=hati-3hatj+5hatk and vecc=2hati+hatj-4hatk

Find the volume of a parallelopiped whose edges are represented by the vectors: veca =2hati-3hatj-4hatk, vecb=hati+2hatj-2hatk, and vecc=3hati+hatj+2hatk .

Find the scalar product of vectors veca=2hati-hatj+2hatk and vecb=hati-3hatj-5hatk

If vectors veca =hati +2hatj -hatk, vecb = 2hati -hatj +hatk and vecc = lamdahati +hatj +2hatk are coplanar, then find the value of lamda .

If vectors veca =hati +2hatj -hatk, vecb = 2hati -hatj +hatk and vecc = lamdahati +hatj +2hatk are coplanar, then find the value of (lamda -4) .

Find the projection of vecb+vecc on veca where veca=hati+2hatj+hatk, vecb=hati+3hatj+hatk and vecc=hati+hatk .

The vectors are given below veca = hati + 2hatj +3hatk vecb = 2hati + 4hatj + 6hatk and vecc = 3hati + 6hatj + 9 hatk find the components of the vector veca + vecb -vecc

Find the projection of the vector hati-2hatj+hatk on the vector 4hati-4hatj+7hatk .

Find the unit vector in the direction of the sum of the vectors veca=2hati+2hatj-5hatk and vecb=2hati+hatj+3hatk .