Home
Class 12
MATHS
Two vectors vecalpha=3hati+4hatj and vec...

Two vectors `vecalpha=3hati+4hatj and vecbeta5hati+2hatj-14hatk` have the same initial point then their angulr bisector having magnitude `7/3` be (A) `7/(3sqrt(6))(2hati+hatj-hatk)` (B) `7/(3sqrt(3))(\hati+hatj-hatk)` (C) `7/(3sqrt(3))(hati-hatj+hatk)` (D) `7/(3sqrt(3))(hati-hatj-hatk)`

Promotional Banner

Similar Questions

Explore conceptually related problems

The two vectors A=2hati+hatj+3hatk and B=7hati-5hatj-3hatk are -

A unit vector which is equally inclined to the vector hati, (-2hati+hatj+2hatk)/3 and (-4hatj-3hatk)/5 (A) 1/sqrt(51)(-hati+5hatj-5hatk) (B) 1/sqrt(51)(hati+5hatj+5hatk) (C) 1/sqrt(51)(hati+5hatj-5hatk) (D) 1/sqrt(51)(hati+5hatj+5hatk)

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

A vector vecv or magnitude 4 units is equally inclined to the vectors hati+hatj, hatj+hatk, hatk+hati, which of the following is correct? (A) vecv=4/sqrt(3)(hati-hatj-hatk) (B) vecv=4/sqrt(3)(hati+hatj-hatk0 (C) vecv=4/sqrt(3)(hati+hatj+hatk0 (D) vecv=4(hati+hatj+hatk)

Show that the vectors hati-3hatj+2hatk, 2hati-4hatj-hatk and 3hati+2hatj-hatk are linearly independent

The angle between the two vectors A=3 hati+4hatj+5hatk and B=3hati+hatj-5hatk is

The unit vector which is orthogonal to the vector 3hati+2hatj+6hatk and is coplanar with the vectors 2hati+hatj+hatk and hati-hatj+hatk is (A) (2hati-6hatj+hatk)/sqrt(41) (B) (2hati-3hatj)/sqrt(3) (C) 3hatj-hatk)/sqrt(10) (D) (4hati+3hatj-3hatk)/sqrt(34)

Show that the vectors hati-hatj-hatk,2hati+3hatj+hatk and 7hati+3hatj-4hatk are coplanar.