MCQOPTIONS
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MCQOPTIONS
| 1. |
Find the sum to n terms of the series whose nth term is n (n-2). |
| A. | ( frac{n(n-1)(2n+4)}{6} ) |
| B. | ( frac{n(n+1)(2n-5)}{6} ) |
| C. | ( frac{(n-2)(2n-5)}{3} ) |
| D. | ( frac{n(n+1)(2n-5)}{3} ) |
| Answer» C. ( frac{(n-2)(2n-5)}{3} ) | |