Limites usuelles de fonctions

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Flashcards de vocabulaire portant sur les limites usuelles des fonctions hyperboliques, trigonométriques et les croissances comparées.

14 Terms

1
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lim⁡x→+∞ch(x)\lim_{x \to +\infty} \text{ch}(x)

+∞+\infty

2
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lim⁡x→−∞ch(x)\lim_{x \to -\infty} \text{ch}(x)

+∞+\infty

3
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lim⁡x→+∞sh(x)\lim_{x \to +\infty} \text{sh}(x)

+∞+\infty

4
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lim⁡x→−∞sh(x)\lim_{x \to -\infty} \text{sh}(x)

−∞-\infty

5
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lim⁡x→0sin⁡(x)x\lim_{x \to 0} \frac{\sin(x)}{x}

11

6
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lim⁡x→0tan⁡(x)x\lim_{x \to 0} \frac{\tan(x)}{x}

11

7
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limite usuelle cos

lim⁡x→01−cos⁡(x)x2=12\lim_{x\to0}\frac{1 - \cos(x)}{x^2}=\frac{1}{2}

8
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lim⁡x→+∞(ln⁡(x))axb(a>0,b>0)\lim_{x \to +\infty} \frac{(\ln(x))^a}{x^b} \quad (a > 0, b > 0)

00

9
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lim⁡x→+∞xa(ex)b(a>0,b>0)\lim_{x \to +\infty} \frac{x^a}{(e^x)^b} \quad (a > 0, b > 0)

00

10
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lim⁡x→0+xb⋅∣ln⁡(x)∣a(a>0,b>0)\lim_{x \to 0^+} x^b \cdot |\ln(x)|^a \quad (a > 0, b > 0)

00

11
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lim⁡x→−∞∣x∣a(ex)b(a>0,b>0)\lim_{x \to -\infty} |x|^a (e^x)^b \quad (a > 0, b > 0)

00

12
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lim⁡x→0ln⁡(1+x)x\lim_{x \to 0} \frac{\ln(1 + x)}{x}

11

13
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croissance comparée avec x et ln

lim⁡x→+∞(ln⁡(x))axb=0(a>0,b>0)\lim_{x\to+\infty}\frac{(\ln(x))^a}{x^b}=0\quad(a>0,b>0)

lim⁡x→0+xb⋅∣ln⁡(x)∣a=0(a>0,b>0)\lim_{x\to0^{+}}x^{b}\cdot|\ln(x)|^{a}=0\quad(a>0,b>0)


14
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croissance comparée avec x et exp

lim⁡x→−∞∣x∣a(ex)b=0(a>0,b>0)\lim_{x\to-\infty}|x|^{a}(e^{x})^{b}=0\quad(a>0,b>0)

lim⁡x→+∞xa(ex)b=0(a>0,b>0)\lim_{x\to+\infty}\frac{x^a}{(e^x)^b}=0\quad(a>0,b>0)