The shortest distance between the straight lines through the points A1 = (6, 2, 2) and A2 = (- 4, 0, - 1) in the directions of (1, - 2, 2) and (3, - 2, - 2) is
6
8
12
9
Let A and B are two fixed points in a plane, then locus of another point Con the same plane such that CA + CB = constant, (> AB) is
circle
ellipse
parabola
hyperbola
If g(x) is a polynomial satisfying g(x) g(y) = g(x) + g(y) + g(xy) - 2 for all real x and y and g(2) = 5, then g(x) is
9
10
25
20
Area enclosed by the curve is
sq unit
2 sq unit
3 sq unit
4 sq unit
D.
4 sq unit
The given equation can be rewritten as
Which represents an ellipse.
Area enclosed in an ellipse = ab
= 4 sq unit