diff options
Improved Ex. 3 solution and updated date
2 files changed, 3 insertions, 3 deletions
| -rw-r--r-- | Year 1/Mathematical analysis/Homework1.pdf | bin | 40670 -> 40811 bytes | |||
| -rw-r--r-- | Year 1/Mathematical analysis/Homework1.tex | 6 |
diff --git a/Year 1/Mathematical analysis/Homework1.pdf b/Year 1/Mathematical analysis/Homework1.pdf Binary files differindex d55e677..4c4694a 100644 --- a/Year 1/Mathematical analysis/Homework1.pdf +++ b/Year 1/Mathematical analysis/Homework1.pdf diff --git a/Year 1/Mathematical analysis/Homework1.tex b/Year 1/Mathematical analysis/Homework1.tex index 08027dc..08a137a 100644 --- a/Year 1/Mathematical analysis/Homework1.tex +++ b/Year 1/Mathematical analysis/Homework1.tex @@ -13,14 +13,14 @@ \usepackage[bulgarian,english]{babel} \usepackage{amsmath} % Математически символи -\usepackage{amsfonts} +\usepackage{amsfonts} % Още математически символи \usepackage{hyperref} % Линкове \usepackage{cancel} % Зачертаване \usepackage[dvipsnames]{xcolor} % Цветни кутийки + допълнителни цветове \title{\vspace{-2cm}Домашна работа 1 по ДИС 1, за спец. КН 1 курс, 2 поток} \author{Камен Димитров Младенов, Група 6} -\date{14 Ноември 2021} +\date{10 Ноември 2021} \begin{document} @@ -97,7 +97,7 @@ & \lim_{n \to \infty} \frac{\sqrt[n-5]{n-5} + 2^{2n} + n^{12}}{10^n-n^3+(-1)^{3n + 5}} = \lim_{n \to \infty} \frac{2^{2n} \cdot \left( \frac{\sqrt[n-5]{n-5}}{2^{2n}} + 1 + \frac{n^{12}}{2^{2n}} \right)}{10^n \cdot \left(1 - \frac{n^3}{10^n} + \frac{(-1)^{3n + 5}}{10^n} \right)} = a_n \\ & \omit\hfill \\ & \lim_{n \to \infty} \frac{\sqrt[n-5]{n-5}}{2^{2n}} = \frac{\lim\limits_{n \to \infty} \sqrt[n-5]{n-5}}{ \lim\limits_{n \to \infty} 4^n} = \frac{1}{\infty} = 0 \;,\quad \lim_{n \to \infty} \frac{n^{12}}{2^{2n}} = 0 \;,\quad \lim_{n \to \infty} \frac{n^3}{10^n} = 0 \;,\; \\ - & \lim_{n \to \infty} \frac{(-1)^{3n + 5}}{10^n} = \frac{\lim\limits_{n \to \infty} (-1)^{3n + 5}}{\lim\limits_{n \to \infty} 10^n} = \frac{\lim\limits_{n \to \infty} (-1)^{3n + 5}}{\infty} = 0 \; \left( \lim\limits_{n \to \infty} (-1)^{3n + 5} < \infty \right) \\ + & \lim_{n \to \infty} \frac{(-1)^{3n + 5}}{10^n} = \frac{\lim\limits_{n \to \infty} (-1)^{3n + 5}}{\lim\limits_{n \to \infty} 10^n} = \frac{\lim\limits_{n \to \infty} (-1)^{3n + 5}}{\infty} = 0 \quad \text{($(-1)^{3n + 5}$ е разходяща)} \\ & \omit\hfill \\ & \implies a_n = \lim_{n \to \infty} \frac{2^{2n}}{10^n} = \lim_{n \to \infty} \frac{4^n}{10^n} = \lim_{n \to \infty} \left( \frac{2}{5} \right) ^ n \qquad \frac{2}{5} < 1 \implies \lim_{n \to \infty} \left( \frac{2}{5} \right) ^ n = \colorbox{yellow}{0} \end{align*} |
