| 1 | 2000 | 1999 | 1 | 1 | 1 | |||||||
4 | *2 | +1 | *5 | +2 | *1 | |||||||
| 2000 | 2001 | 2000 | 2001 | 1000 | 2001 |
| x | ||
Proszę o sprawdzenie pochodnej y= | ||
| sinx + cosx |
| sinx + cosx − x(cos2x−sin2x) | ||
y`= | = | |
| (sinx + cosx)2 |
| cosx + sinx − x(cosx + sinx)(cosx − sinx) | |
= | |
| (cosx+ sinx)2 |
| 1 − x(cosx − sinx) | |
| (cosx+ sinx) |
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