Calculus Archive: Questions from September 06, 2022
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For what value of p is the system inconsistent?
Pregunta 4 La matriz aumentada de un sistema de ecuaciones lineales estả dada por tenalización ¿Para quẻ valor de \( p \) el sistema es inconsistente?1 answer -
Then the only value of k for which the system of linear equations whose augmented matrix is (A|v) has infinite solutions is:
Sea \[ A=\left(\begin{array}{ccc} 2 & 8 & 5 \\ 3 & k & 7 \\ 4 & 16 & 6 \end{array}\right) \] y sea \[ v=\left(\begin{array}{c} 9 \\ 7 \\ -34 \end{array}\right) \] Entonces, el ưnico valor de k para e1 answer -
Solve the equation for \( y \) in terms of \( x \). \[ \begin{array}{c} \ln y+\ln x=0.6931 \\ y=0.6931-x \\ y=\frac{0.6931}{x} \\ y=\frac{2}{x} \\ y=2-x \end{array} \]1 answer -
A rectangle in quadrant I has a corner at the origin and an opposite corner on the graph of \( y=\frac{14}{x+8} \) (a) Express the area of the rectangle in terms of \( x \) only. \[ A(x)= \] (b) Expre1 answer -
determine the indicated vector
En los problemas 43 y \( 44, \mathbf{a}=4 \mathbf{i}+3 \mathbf{j} \) y \( \mathbf{b}=-\mathbf{i}+\mathbf{j} \) Determine el vector indicado. 43. \( \operatorname{proy}_{(\mathbf{a}+\mathbf{b})} \mathb1 answer -
determine the indicated vector or scalar.
En los problemas \( 1-12, \mathbf{a}=2 \mathbf{i}-3 \mathbf{j}+4 \mathbf{k}, \mathbf{b}=-\mathbf{i}+2 \mathbf{j}+5 \mathbf{k} y \) \( \mathbf{c}=3 \mathbf{i}+6 \mathbf{j}-\mathbf{k} . \) Determine el1 answer -
find the cosine directors and the angle directors for the given vector
En los problemas \( 27-30 \), encuentre los cosenos directores y los ángulos directores del vector dado. \[ \mathbf{a}=\langle 1,0,-\sqrt{3}\rangle \] Encuentre el áng1 answer -
A constant force F of magnitude equal to 3 lb is applied. To the block shown in FIGURE 11.3.12. F has the Same direction as the vector To! 3i # 4j. Determine the Work done in the direction of mov
Una fuerza constante \( \mathbf{F} \) de magnitud igual a \( 3 \mathrm{lb} \) se aplica al bloque que se muestra en la FIGURA 11.3.12. F tiene la misma dirección que el vector \( \mathbf{a}=3 \mathbf1 answer -
1. Considere \( w=x^{2}-2 x y+y^{2}, x=r+\theta, y=r-\theta \) para determinar \( \frac{\partial w}{\partial r} \& \frac{\partial w}{\partial \theta} \). II. Considere \( w=x y \cos (z), x=t, y=t^{2}1 answer -
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Please part II and III
Considere \( w=x^{2}-2 x y+y^{2}, x=r+\theta, y=r-\theta \) para determinia \( \frac{\partial w}{d r} \& \frac{\partial w}{\partial e} \) 1. Considere \( w=x y \cos (z), x=t, y=t^{2} \& z=\arccos (t)1 answer -
Please answer all three to receive credit Thank you so much! 🙏🏻
Find \( y^{\prime} \) by implicit differentiation. Match the equations defining \( y \) implicitly with the letters labeling the expressions for \( y^{\prime} \). 1. \( 2 \sin (x-y)=6 y \sin x \) 2. \1 answer -
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Find \( \mathbf{a}+\mathbf{b}, 9 \mathbf{a}+3 \mathbf{b},|\mathbf{a}| \), and \( |\mathbf{a}-\mathbf{b}| \) \[ \mathbf{a}=9 \mathbf{i}-4 \mathbf{j}+3 \mathbf{k}, \quad \mathbf{b}=6 \mathbf{i}-9 \mathb2 answers -
Find the sum of the given vectors. \[ a=\langle 2,4,-1), \quad b=\langle 0,0,8) \] \[ a+b= \] Illustrate geometrically.1 answer -
explain the steps please
2.) Find the \( y^{\prime}=\frac{d y}{d x} \) if \( y^{2}=x^{2}+\operatorname{Sin}(x y) \) a-) \( y^{\prime}=\frac{x+y \operatorname{Cos}(x y)}{x \operatorname{Cos}(x y)} \) b-) \( y^{\prime}=\frac{21 answer -
Find the intersection. 16) \( -9 x-6 y=5,9 y+9 z=1 \) A) \( x=-54 t+51, y=81 t+1, z=-81 t \) B) \( x=-54 t+\frac{17}{27}, y=81 t-\frac{1}{9}, z=81 t \) C) \( x=-54 t-\frac{17}{27}, y=81 t+\frac{1}{9},1 answer