?
| √x2+1−√x+1 | ||
limx→0 | ||
| 1−√x+1 |
| x2+1−(x+1) | 1+√x+1 | ||
=lim | |||
| 1−(x+1) | √x2+1+√x+1 |
| x2−x | 1+√x+1 | ||
=lim | |||
| x | √x2+1+√x+1 |
| x(x−1) | 1+√x+1 | ||
=lim | |||
| x | √x2+1+√x+1 |
| 1+√x+1 | ||
=lim(x−1) | ||
| √x2+1+√x+1 |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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