D = ℛ+
f(x) = x*ln x
| 1 | 1 | |||
f '(x) = ln x + x* | = ln x + 1 = 0 ⇔ ln x = − 1 ⇔ x = e−1 = | |||
| x | e |
| 1 | ||
f ''(x) = | ||
| x |
| 1 | 1 | |||
f '' ( | } = e > 0 − funkcja w x = | ma minimum lokalne | ||
| e | e |
| 1 | 1 | 1 | 1 | |||||
ymin = f( | ) = | *ln ( | ) = − | |||||
| e | e | e | e |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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