Тест

$$f'\left(x\right)=27\left(81x^2+90x+25\right)$$

$$f'\left(x\right)=3\left(81x^2+45x+25\right)$$

$$f'\left(x\right)=27\left(81x^2+45x+25\right)$$

$$f'\left(x\right)=3\left(81x^2+90x+25\right)$$

$$f'\left(x\right)=\frac{x-2\ln x}{x^4}$$

$$f'\left(x\right)=\frac{1-2\ln x}{x^4}$$

$$f'\left(x\right)=\frac{x-2x\ln x}{x^3}$$

$$f'\left(x\right)=\frac{1-2\ln x}{x^3}$$

тік

сүйір

доғал

жазыңқы

0,77

0,69

0,81

0,56

[-1;1]

[-34;4016]

[-2;2]

$$\left(\lceil2.25;+\infty\right)$$

$$\left(\lceil-2.25;+\infty\right)$$

$$\left(-\infty;+\infty\right)$$

$$\left(-\infty;-2.25;\rceil\right)$$

$$\left(-\infty;-1\right)\cup\left\{1\right\}\cup\left(2;+\infty\right)$$

$$\left(-\infty;-1\right)\cup\left\{1\right\}\cup\left(1.5;+\infty\right)$$

$$\left(-\infty;-1\right)\cup\left\{0\right\}\cup\left(1;+\infty\right)$$

$$\left(-\infty;-1\right)\cup\left\{0\right\}\cup\left(0.5;+\infty\right)$$

729

625

216

841

$$2\pi$$

$$4\pi$$

$$3\pi$$

$$\pi$$

$$\frac{5}{7}$$

$$\frac{6}{7}$$

$$\frac{4}{7}$$

$$\frac{3}{7}$$