MCQOPTIONS
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MCQOPTIONS
| 1. |
Find the sum of cubes of first n terms. |
| A. | ( frac{n(n+1)}{2} ) |
| B. | (( frac{n(n+1)}{2})^3 ) |
| C. | ( frac{n(n+1)(2n+1)}{6} ) |
| D. | (( frac{n(n+1)}{2})^2 ) |
| Answer» D. (( frac{n(n+1)}{2})^2 ) | |