Topic
Q:
4) Calcular el conjugado y el módulo.
a) \( 3+2 \mathrm{i} \)
b) \( -\mathrm{i}(1+2 \mathrm{i})(2+3 \mathrm{i})(3+4 \mathrm{i}) \)
c) \( \frac{(-i)(-1+2 i)}{2-3 i} \)
Q:
1. Что из перечисленного характеризует рыночную экономику?
1) государственное регулирование ценообразования
2) диктат хозяйственного опыта предков
3) плановая организация производства
4) многообразие форм собственности
Q:
Daca termenului orhidee i se adauga proprietatea alba:
a. Extensiunea termenului creste
b. Intensiunea termenului nu se modifica
c. Intensiunea termenului creste
d. Intensiunea termenului scade
Q:
- made by the Germans, WWII brought a need for more secure messages, built on
the complexity of the currently available substitution ciper machines.
- a way of scrambling data so that only authorized parties can understand the
information
The purpose of encryption is confidentiality - concealing the content of the
message by translating it into a code.
Q:
- the practice of encoding information so only authorized
people can read it
- the practice of solving and writing encryptions
- scramble
- around 100 BC , Julius Caesar used a substitution cipher
to send secret messages to his generals during the war
Q:
a: Expresar 10 N on Kgf
Q:
equivalent. Iustify your answer without using truth tables.
\[ \text { i. } P \rightarrow(Q \vee R) \text {, and } \neg Q \rightarrow(P \rightarrow R) \]
Q:
3 Demuestre que para cualquier conjunto \( A \) y \( B \), el siguiente conjunto es igual a \( A \cap B \) :
\[ (A \cup B)-((A-B) \cup(B-A))=A \cap B \]
Q:
b. At what value of \( w \) does the graph have a vertical asymptote?
Type the answer in the box below.
There is an asymptote at \( w=460 \)
Explain how you know and what this asymptote means in the situation.
Type your response in the space below.
Q:
2. Considere el espacio vectorial usual \( \left(\mathbb{R}^{3}, \mathbb{R},+,\right) \) y los subespacios
\[ W_{1}=\left\{(x, y, z) \in \mathbb{R}^{3}: x+y-3 z=0\right\} \]
\[ W_{2}=\left\{(x, y, z) \in \mathbb{R}^{3}: x-y=0\right\} \]
y
Entonces, una base de la intersección \( W_{1} \cap W_{2} \) es:
(A) \( B=\{(3,3,2)\} \)
(B) \( B=\{(3,3,-2)\} \)
(C) \( B=\{(1,1,2 / 3),(1,1,2)\} \)
(D) \( B=\{(1,-1,0)\} \)
(E) \( B=\{(1,-1,0),(3,3,-2)\} \)
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