an onto function but not one-one
one-one function but not onto
a bijection
neither one-one nor onto
The greatest positive integer which divides (n + 16)(n + 17)(n + 18)(n +19), for all positive integers n, is
6
24
28
20
If x1, x2, x3 as well as y1, y2, y3 are in geometric progression with the same common ratio,then the points, are
vertices of an equilateral triangle
vertices of a right angled triangle
vertices of a right angled isosceles triangle
collinear
The locus of the point representing the complex number z for which
a circle
a parabola
a straight line
an ellipse
- 2i
2i
2
- 2
A.
- 2i