[" Lisiatly,direction cosines of "y" -axis and "z" -axis are "U,1," u and "v," v,"1" tepter "],[" cumple "5" Show that the points "A(2,3,-4),B(1,-2,3)" and "C(3,8,-11)" a "],[" fillinear."]

Show that the points A(2,3,-4) , B(1,-2,3) and C(3,8,-11) are collinear .

Show that the points 'A(2,3,-4), B(1,-2 , 3)' and 'C(3,8,-11)' are collinear

Show that the points A(2,3,-4), B(1,-2,3), C(3,8,-11) are collinear.

Using direction ratios show that the points A(2,3,-4), B(1,-2,3) and C(3,8,-11) are collinear.

Using direction ratios show that the points A(2,3,-4), B(1,-2,3) and C(3,8,-11) are collinear.

Find the direction cosines of the line : (2x+5)/2=(3-2y)/3=(3z+1)/4

A tetrahedron of volume V = 5 has three of its vertices at the points A(2, 1, -1), B(3, 0, 1) and C(2, -1, 3). The fourth vertex D lies on the y-axis. Then D is the point

If x = 2, y = 3, u = - 2 and v = - 3, in which quadrant does the point (x + y, u + v) lie ?

A(3,0) and B(6,0) are two fixed points and U (x_1 ,y_1) is a variable point on the plane , AU and BU meet the y - axis at C and D respectively and AD meets OU at V. Prove that CV passes through (2,0) for any position of U in the plane .

A (-1,2-3), B(5,0,-6), C(0,4,-1) are three points, Show that direction cosines of the bisectors of lfloorBAC are proportional to (25,8,5)and (-11,20,23).