Calculus Archive: Questions from July 17, 2023
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4. (8pt) If \[ (\sin y)^{\sin (\pi x / 2)}-\frac{\sqrt{3}}{2} \sec ^{-1}(2 x)+2^{x} \tan (\ln (x+2))=0 \] Find \( \frac{d y}{d x} \) at \( x=-1 \)2 answers -
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(ex - y) cos x (dy/dx) = e* sin 2x, y(0) = 0
\( \left(e^{y}-y\right) \cos x(d y / d x)=e^{x} \sin 2 x, y(0)=0 \)2 answers -
PDE slov B step by step explain every thing i need to understand solve part (b)
2. Find the eigenvalues and eigenfunctions of the following periodic SturmLiouville systems: (a) \( y^{\prime \prime}+\lambda y=0 \), \[ y(-1)=y(-1), y^{\prime}(-1)=y^{\prime}(1) . \] (b) \( y^{\prime2 answers -
Find \( \operatorname{div} \mathbf{F} \) and curl \( \mathbf{F} \) if \( \mathbf{F}(x, y, z)=x z^{5} \mathbf{i}+2 y^{6} x^{2} \mathbf{j}+4 z^{2} y \mathbf{k} \) \[ \begin{array}{c} \operatorname{div}2 answers -
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number 16 please
Use the shell method to find the volumes of the solids generated by revolving the regions bounded by the curves and lines in Exercises \( 15-22 \) about the \( x \)-axis. 15. \( x=\sqrt{y}, \quad x=-y2 answers -
Región cuadrada \( \iint_{R}\left(y-2 x^{2}\right) d A \) donde \( R \) es la región acotada por el cuadrado \( |x|+|y|=1 \).2 answers -
Existencia Integre la función \( f(x, y)=1 /\left(1-x^{2}-y^{2}\right) \) sobre el disco \( x^{2}+y^{2} \leq 3 / 4 \). ¿Existe la integral de \( f(x, y) \) sobre el disco \( x^{2}+y^{2} \leq 1 \) ?2 answers -
Let \( R=[a, b] \times[c, d] \times[e, f] \) and let \( \varphi: R \rightarrow \mathbb{R} \) be bounded. Assume: - For every \( y \in[c, d], z \in[e, f] \), the \( (y, z) \)-slice \( \varphi^{(y, z)}2 answers -
3. (15 puntos) Obtenga \( u_{x}, u_{y}, u_{z} \) como función de \( x, y, z y \) evalue en el punto indicado \[ u=e^{q p} \sin ^{-1} p, \quad p=\sin x, \quad q=z^{2} \ln y,-\quad r=1 / z ; \quad(x, y2 answers -
Find \( y^{\prime} \) by implicit differentiation. Match the equations defining \( y \) implicitly with the letters labeling the expressions for \( y^{\prime} \). 1. \( 4 x \sin y+2 \sin 2 y=2 \cos y2 answers -
(Valor: 40 puntos) Considera la curva \( C \) parametrizada por la funcion vectorial \( x= \) \( 2 \cos (3 t), y=2 \operatorname{sen}(3 t) \) y \( z=-2 t \). a. Calcula la curvatura \( k(t) \) de \( C2 answers -
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Differentiate I need help with # 3, #5, #7, #9, #11, #13, #15
3-30 Differentiate. 3. \( y=\left(4 x^{2}+3\right)(2 x+5) \) 4. \( y=\left(10 x^{2}+7 x-2\right)\left(2-x^{2}\right) \) 5. \( y=x^{3} e^{x} \) 6. \( y \) 7. \( f(x)=\left(3 x^{2}-5 x\right) e^{x} \) 82 answers -
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