lesson 2_unit2_s1

$$\left(-\infty,\frac{-1}{3\sqrt[]{3}}\right)\ ,\ \left(\frac{1}{3\sqrt[]{3}},\infty\right)$$

$$\left(-\frac{1}{3\sqrt[]{3}},\frac{1}{3\sqrt[]{3}}\right)$$

$$\left(-\infty,\frac{-1}{3\sqrt[3]{3}}\right)\ ,\ \left(\frac{1}{3\sqrt[3]{3}},\infty\right)$$

$$\left(-1,\frac{2}{2\sqrt[3]{2}}\right)$$

$$\frac{3}{e}$$

$$\frac{2}{e+1}$$

$$\frac{1}{e}$$

$$\frac{2}{e}$$

$$\left(\frac{\pi}{6\ },\frac{\pi}{2}\right)$$

$$\left(-\frac{\pi}{2},\frac{\pi}{2}\right)$$

$$\left(0,\frac{\pi}{6}\right)$$

$$\left(0,\frac{\pi}{2}\right)$$

$$\left(-\infty,0\right)$$

$$\left(-\infty,-\frac{2}{\sqrt[]{3}}\right),\ \left(\frac{2}{\sqrt[]{3}},\infty\right)$$

$$\left(0,\infty\right)$$

$$\left(-\frac{2}{\sqrt[]{3}},\frac{2}{\sqrt[]{3}}\right)$$

قيمة عظمى محلية

قيمة صغرى محلية

نقطة انعطاف

قيمة حرجة

$$\left(-\infty,2\right)$$

$$\left(2,3\right)$$

$$\left(-\infty,2\right),\left(2,\infty\right)$$

$$\left(-\infty,2\right),\left(3,\infty\right)$$

$$\left(0,\infty\right)$$

$$\left(0,1\right)$$

$$\left(1,\infty\right)$$

$$\left(0,e\right)$$

$$a=3\ \ ,\ b=\frac{4}{3}\ \$$

$$a=1\ ,\ b=4$$

$$\left(9,\frac{44}{3}\right)$$

$$\left(2,\frac{16}{3}\right)$$