Other Math Archive: Questions from November 13, 2022
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just 24,26
23-44 Find the exact value of the expression, if it is defined. 23. \( \sin \left(\sin ^{-1} \frac{1}{4}\right) \) 25. \( \tan \left(\tan ^{-1} 5\right) \) \( \cos \left(\cos ^{-1} \frac{2}{3}\right)2 answers -
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Let \( X \) and \( Y \) be discrete random variables and have the joint PMF table like below. Which of the followings describes the list of this PMF? Lütfen birini seçin: a. \[ P_{x, y}(x, y)=\left\2 answers -
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can you do #1
1. \( \left\{\begin{array}{l}x^{\prime}=-2 x+y \\ y^{\prime}=x-2 y\end{array}\right. \) 3. \( \left\{\begin{array}{l}x^{\prime}=\frac{1}{2} x-\frac{3}{2} y \\ y^{\prime}=\frac{3}{2} x+\frac{1}{2} y\en2 answers -
i really need #3&5
1. \( \left\{\begin{array}{l}x^{\prime}=-2 x+y \\ y^{\prime}=x-2 y\end{array}\right. \) 3. \( \left\{\begin{array}{l}x^{\prime}=\frac{1}{2} x-\frac{3}{2} y \\ y^{\prime}=\frac{3}{2} x+\frac{1}{2} y\en2 answers -
Exg Solve the IVP \( y^{\prime \prime}-y=0, y(0)=1, y^{\prime}(1)=0 \) Aux Eq is \( m^{2}-1=0 \Rightarrow m=\pm 1 \) \[ \begin{array}{l} y=c_{1} e^{x}+c_{2} e^{-x} \\ y^{\prime}=c_{1} e^{x}-c_{2} e^{-2 answers -
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Demostrar que para una serie de pagos variables aritméticos, con \( P=1 \) y \( Q=1 \), entonces: \[ V P=(I a)_{\bar{n}\rceil}=\frac{\left[\ddot{a}_{n\rceil}-n V^{n}\right]}{i} \] Y para el monto acu0 answers -
Obtenga la expresión del Valor Presente de una perpetuidad cuyos pagos crecen aritméticamente. Recuerde que: \[ V P=P a_{n}+Q \frac{\left[a_{n\rceil}-n V^{n}\right]}{i} \] Hint: debe llegar a: \[ V0 answers