Write the values of the following
`hatj.hatk `
`hatk.hat k`
`hatj.hat i`
`hati. hatk`
`hat i(hatixxhatj)`
`hatk.(hatixxhatk)`

What is the magnitude of the vector hati +hatj +hatk ?

Write the truth values of the followings: (i)' 8 + 2 = 7 rarr New York is in India.

Find the unit vector along the vector hati + hatj + hatk.

What is the value of m in hati+mhatj+hatk to be unit vector?

Find the projection of the vector hati + 3hatj + 7 hatk on the vector 7 hati -hatj + 8 hatk .

Find the angle between the vector 2 hati+ 3hatj+ hatk and 2 hati - hatj- hatk .

Find the measure of the angle between the vectors 3 hati + 2 hatj + 2hatk and 2 hati - hatj - 2 hatk .

Write the truth values of the negation of the followings: (i) Chandigarh is in Andhra Pradesh

Find the shortest distance between the lines vecr = (2hati-hatj-hatk)+lambda(2hati-5hatj+2hatk) and vecr= (hati+2hatj+hatk)+mu(hati-hatj+hatk)

Find the area of the parallelogram whose diagonals are 3 hati + hatj - 4 hatk and hati - 3 hatj + 2 hatk.