Část:
Project ID:
9000071210
Accepted:
1
Vypočtěte \(\int (x + 2)\cos x\, \mathrm{d}x\) na \(\mathbb{R}\).
\((x + 2)\sin x +\cos x + c,\ c\in \mathbb{R}\)
\(-\left (\frac{x^{2}}
{2} + 2x\right )\sin x + c,\ c\in \mathbb{R}\)
\((x + 2)\sin x -\sin x + c,\ c\in \mathbb{R}\)