Let = 1 + 3 + 5 + . . . + (2n – 1) = 3 + n². Then, which of the following is true.

 for the natural numbers                                                                                    

In the principle of mathematical induction, the assumption that the statement is true for

n = k is called   

The coordinates of the points on the plane, which contains the point (a, b, c) and is parallel to xy-plane, are of the form

If n is a positive integer, then n³ + 2n is divisible by                                      

Which of the following is a statement?

The conjugate of a complex number     is

If , then

The conjugate of   is

The value of