Find the position vector of centroid of a triangle having position vector of its vertices as `2hati+3hatj-4hatk` , `-2hati+3hatj+4hatk` and `-6hatj`

Find the position vector of the centroid of the triangle with vertices given by the position vectors - hati +hatj +hatk, hati +2 hatj - hatk and - hati + hatj + hatk .

Find the vector area of the triangle, the position vectors of whose vertices are hati+hatj+2hatk, 2hati+2hatj-3hatk and 3hati-hatj-hatk

Find the vector area of the triangle, the position vectors of whose vertices are hati+hatj+2hatk, 2hati+2hatj-3hatk and 3hati-hatj-hatk. Find also its scalar area.

If the position vectors of the vertices of a triangle of a triangle are 2 hati - hatj + hatk , hati - 3 hatj - 5 hatk and 3 hati -4 hatj - 4 hatk , then the triangle is

If the position vectors of the vertices of a triangle of a triangle are 2 hati - hatj + hatk , hati - 3 hatj - 5 hatk and 3 hati -4 hatj - 4 hatk , then the triangle is

If the position vectors of P and Q are (hati+3hatj-7hatk) and (5hati-2hatj+4hatk) , then |PQ| is

If the position vectors of P and Q are (hati+3hatj-7hatk) and (5hati-2hatj+4hatk) , then |PQ| is

If the position vectors of P and Q are (hati+3hatj-7hatk) and (5hati-2hatj+4hatk) , then |PQ| is

If the position vectors of P and Q are (hati+3hatj-7hatk) and (5hati-2hatj+4hatk) , then |PQ| is

If the position vectors of P and Q are (hati+3hatj-7hatk) and (5hati-2hatj+4hatk) , then |PQ| is