If A ( -1, -1, -1 ) and B ( 1, 2, 3 ) are the points, then distance between A and B, is ________.
√5
√21
√29
√3
The direction ratios of the line segment joining the points is____.
( -1, -1 , -1 )
( 1, -3, 4 )
(2, 0, -1)
( 1, 3, 4 )
The co – ordinates of the point, which divides the line joining of points ( 2, 3, 4 ) and ( 3, - 4, 7 ) externally in the ratio of 2 : 4, are _____.
( 10, 1, 1 )
( 1, 10,1 )
( 10, -10, 10 )
( 1, 1, 10 )
The diection ratios of the line segment joining from origin to the point ( 2, -3, 6 ) is _______.
( 1, 0, 0 )
( 2, 2, 6 )
( 2, -3, 6 )
( 0, -1, 6 )
The direction ratios of the lines x - y + z - 5 = 0 and x - 3y - 6 = 0 are ______.
( 3, 1, - 2 )
( 2, - 4, 1 )
If the plane 3x - 2y + 2z + 17 = 0 and 4x + 3y - kz - 25 = 0 are mutually perpendicular, then the value of k is _______.
3
-3
9
-6
If the line makes angle α, β and γ with x- axis, y - axis and z - axis, then the value of cos 2α + cos 2 β + cos 2 γ is _____.
-1
1
-2
2
The distance of a point ( 3, 4, 5 ) from the y – axis is ______.
√34
√41
4
5
The direction cosines of the normal to the plane 3x + 4y + 12 z = 52 are:
3, 4, 12
-3, -4, -12
3/13, 4/13, 12/13
The shortest distance of the point ( a, b, c ) from the x – axis is _______.
