The direction cosines of the line joining the points (2,3,-1) & (3,-2,1) are

Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry

1. \(-1,5,-2\)
2. \(\frac{1}{\sqrt{30}},-\frac{5}{\sqrt{30}}, \frac{2}{\sqrt{30}}\)
3. \(\frac{-3}{30}, \frac{1}{6}, \frac{-1}{15}\)
4. None of these

Answer

(B) 1 30 ,- 5 30 , 2 30

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• The angle between the lines x-z z = y+1 -z , z=z and x-1 1 = 2 y+3 2 = 2+5 2 is
• The point A(3, -2, 4) is shifted parallel to the line x 3 = y-1 2 = z+1 3 by a distance 1 to the point P. The…
• The equation of the plane containing the line x - x _ 1 = y - y _ 1 ~m = z - z _ 1 n is a (x – x 1 ) + b(y –…
• The position vector of the vertices of triangle ABC are i , j and k then the position vector of its…
• If a b = c d and a c = b d and a d , ~b c , Then
• A line with direction cosines proportional to 2, 1, 2 meets each of the lines x = y + a = z and x + a = 2y =…
• Let a = j - k and c = i - j - k . Then the vector b satisfying a b + c =0 and a b =3, is
• If the coordinates of the points A, B, C be (–1, 3, 2), (2, 3, 5) and (3, 5, –2) respectively, then ∠A =

More Three Dimensional Geometry questions · Browse all practice questions