Introduction to 3DHard
Question
If P ≡ (0, 5, 6), Q ≡ (2, 1, 2), R ≡ (a, 3, 4) and PQ = QR then ′a′ equal to -
Options
A.1
B.2
C.3
D.None
More Introduction to 3D Questions
If A = (0, 1, −2), B = (2, −1, 0), C = (1, 2, 3), then a bisector of angle BAC has direction ratios...If the line joining the points (1, 2, 3) and (4, 5, 7) is perpendicular to the line joining the points (−4, 3, ...Let ABCD be a tetrahedron such that the edges AB, AC and AD are mutually perpendicular. Let the area of triangle ABC, AC...The line which contains all points (x, y, z) which are of the form (x, y, z) = (2, -2, 5) + λ (1, -3, 2) intersects...The line joining the points (0,0,0) and (1,− 2, − 5) is divided by plane x − y + z = 1 in the ratio -...