Three non-zero real numbers form an A.P. and the squares of these numbers taken in the same order form a G.P. Then the number of all possible common ratios of the G.P. is ____.
1
2
3
None of the above
If are in G.P. then are in ____.
A. P.
G. P.
H. P.
None of the above
If then are in ____.
H.P.
G.P.
A.P.
None of the above
If are in H.P., then ____.
None of the above
If A is the A.M. of the roots of the equation and is the G.M. of the roots of the equation then ____.
None of the above
The sum of the series to n terms is ____.
____.
Is divisible by 5
Is an odd integer divisible by 5
Is an even integer which is not divisible by 5
Is an odd integer which is not divisible by 5
The sum to terms of the infinite series is ____.
None of the above
If the term of a series be , then the sum of terms of the series is ____.
If for n = 1, 2, 3,…… then ____.