If A(1,2,-3) and B(-1,-2,1) are the two ...

If `A(1,2,-3)` and `B(-1,-2,1)` are the two given points in space then find (i) the direction ratios of `vec(AB)` and (ii) the direction cosines of`vec(AB)`. Express `vec(AB)` in terms of `hati , hatj` and `hatk`.

Similar Questions

Explore conceptually related problems

If A(-2,1,2) and B(2,-1,6) are two given point, find a unit vector in the direction of vec(AB) .

For the vectors A(-1,-2,3) and B(1,2,-1) the direction cosines of vec(AB) are ……………

If A(1,2,4) and B(2,-1,3) are two points (i)Find vec(AB)

Consider the point A(2,1,1) and B(4,2,3) .Find the direction cosines of vec(ab)

The direction-cosines of te vector vec(a) = hati - hatj - 2 hatk are ,

If A(1,2,4) and B(2,-1,3) are two points (ii) Find unit vector along vec(AB)

If A (1,2,3), B (-1,2, -3), C (1 , -2, 3) and D (-1, -2, -3) are points in space, then find the angle between the directed lines vec(AB) and vec(CD).

Write the direction ratios of the vector vec(r)=hati-hatj+2hatk and hence calculate its direction cosines.

If vec(OA) = hati - 2hatk and vec(OB) = 3 hati - 2hatj then the direction cosines of the vectore vec(AB) are