Toán 10-2

$$a\sqrt{3}$$  

$$2a$$  

Một số khác

$$\frac{a\sqrt{3}}{2}$$  

$$\overrightarrow{AB}$$  

$$\overrightarrow{BD}$$  

$$\overrightarrow{AC}$$  

$$\overrightarrow{0}$$  

$$\overrightarrow{AB}+\overrightarrow{BC}=\overrightarrow{AD}$$  

$$\overrightarrow{AB}+\overrightarrow{AD}=\overrightarrow{BC}$$  

$$\overrightarrow{AB}+\overrightarrow{AD}=\overrightarrow{AC}$$  

$$\overrightarrow{AB}+\overrightarrow{AD}=\overrightarrow{BD}$$  

$$\overrightarrow{BA}$$  

$$\overrightarrow{AD}$$  

$$\overrightarrow{DC}$$  

$$\overrightarrow{AC}$$  

$$y=x^3+3x^2-1$$

$$y=\frac{x^2+2}{x}$$

$$y=\frac{2x+3}{x^2}$$

$$y=\frac{x+2}{x-1}$$

$$ℝ\backslash\ \lbrace\pm1\rbrace$$

$$ℝ\backslash\ \lbrace-1\rbrace$$

$$ℝ\backslash\ \lbrace1\rbrace$$

$$(1;+∞)$$

$$D=ℝ\backslash\lbrace-1;6\rbrace$$

$$D=ℝ\backslash\lbrace1;-6\rbrace$$

$$D=\lbrace-1;6\rbrace$$

$$D=\lbrace1;-6\rbrace$$

$$D=\left(0;+∞\right)$$

$$D=[0;+∞)$$

$$D=[\frac{1}{3};+∞)$$

$$D=\left(\frac{1}{3};+∞\right)$$

$$ℝ\backslash\lbrace1\rbrace$$

$$ℝ$$

$$\left(1;+∞\right)$$

$$[1;+∞)$$

20

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30

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