MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
If a1, a2, a3 are in airthemetic as well as geometric progression then which of the following is/are correct? |
| A. | 2a<sub>2</sub> = a<sub>1</sub> + a<sub>3</sub> |
| B. | a<sub>2</sub> = (a<sub>1</sub>a<sub>3</sub>)<sup>1/2</sup> |
| C. | a<sub>2</sub> a<sub>1</sub> = a<sub>3</sub> -a<sub>2</sub> |
| D. | All of the mentioned are correct |
| Answer» E. | |