MCQOPTIONS
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MCQOPTIONS
| 1. |
The value of the sum \(\frac 1 {2\sqrt 1 + 1\sqrt 2} + \frac 1 {3\sqrt 2 + 2\sqrt 3} + \frac 1 {4\sqrt 3 + 3\sqrt 4} + ...+ \frac 1 {25\sqrt {24} + 24\sqrt {25}}\) is |
| A. | \(\frac 9 {10}\) |
| B. | \(\frac 4 {5}\) |
| C. | \(\frac {14} {15}\) |
| D. | \(\frac {7} {15}\) |
| Answer» C. \(\frac {14} {15}\) | |