Calculus Archive: Questions from June 17, 2023
-
2 answers
-
0 answers
-
2 answers
-
If \( y=\frac{\sec x-\csc x}{\sin x} \), then \( y^{\prime}= \) A. \( \frac{\cot ^{2} x-2 \tan x+1}{\sin ^{2} x} \) B. \( \frac{\cot ^{2} x+2 \tan x-1}{\sin ^{2} x} \) C. \( \frac{\tan ^{2} x+2 \cot x2 answers -
Find the extrema of the following functionals and determine if they are maxima or minima:
12.1 Encontrar los extremos de las siguientes funcionales y determinar si son máximos o mÃnimos: a) \[ \begin{array}{l} J[x, u]=\int_{0}^{40}-\frac{u^{2}}{2} d t \text { sujeto a } \dot{x}=u, \\ x(00 answers -
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
0 answers
-
0 answers
-
2 answers
-
0 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
0 answers
-
2 answers
-
0 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
0 answers
-
2 answers
-
0 answers
-
2 answers
-
2 answers
-
2 answers
-
0 answers
-
2 answers
-
2 answers
-
2 answers
-
0 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
2 answers
-
0 answers
-
what is the correct answer ?
1. Let \( \mathrm{f}(\mathrm{x}, \mathrm{y})=x^{2} e^{2 y} \) then a) \( f_{x y}(x, y)=4 x e^{2 y} \) b) \( f_{x y}(x, y)=2 x^{2} e^{2 y} \) c) \( \mathrm{f}_{\mathrm{xy}}(\mathrm{x}, \mathrm{y})=4 x2 answers -
2 answers
-
Differentiate the function. \[ \begin{array}{c} y=\ln \left(\left|4+t-t^{3}\right|\right) \\ y^{\prime}=\frac{\left|t^{6}-2 t^{4}-8 t^{3}+t^{2}+8 t+16\right|}{3 t^{5}-4 t^{3}-12 t^{2}+t+4} \end{array}2 answers -
0 answers
-
Find the following partial derivatives of f(x, y) = xye'y. fx(x, y) = fy(x, y) = fzy(x, y) = fyz(x, y) = OF CO
Find the following partial derivatives of \( f(x, y)=x y e^{7 y} \). \[ \begin{array}{l} f_{x}(x, y)= \\ f_{y}(x, y)= \\ f_{x y}(x, y)= \\ f_{y x}(x, y)= \end{array} \]2 answers -
7. \( y^{\prime \prime}-8 y^{\prime}+16 y=0 \) 8. \( \quad y^{\prime \prime}+y^{\prime}=0 \) 9. \( y^{\prime \prime}-2 y^{\prime}+3 y=0 \)2 answers -
Given the vector \( \underline{a}= \) and the vector, \( \underline{b}= \). Find \( \operatorname{Proj}_{\mathrm{a}}(\mathrm{b}) \)2 answers -
2 answers
-
simplify completey 1/1-cos y + 1/1+cos y
Simplify completely \( \frac{1}{1-\cos y}+\frac{1}{1+\cos y} \) \( \csc ^{2} y \) \( 2 \sec ^{2} y \) \( 2 \csc ^{2} y \) \( 2 \sin ^{2} y \)2 answers -
Given f(x, y) = 5x² – 3xy³ - 2y, find the following numerical values: fz(3, 2) = fy(3,2)= Check Answer
Given \( f(x, y)=5 x^{2}-3 x y^{3}-2 y^{4} \) \[ \begin{array}{l} f_{x}(3,2)= \\ f_{y}(3,2)= \end{array} \]2 answers -
1. Differentiate the following \[ \begin{array}{l} \text { Ditlerentiate the following } \\ f(x)=x+3+\frac{2}{x^{2}}+\frac{3}{x}-\frac{2}{\sqrt{x}} \end{array} \] \[ g(x)=\sin \left(3 x^{2}\right) \]2 answers -
I. Considere la funcion \( w=\operatorname{sen}(2 x+3 y) \) donde \( x=x+1 \quad \) y \( y=x-t \) para determinar a) \( \frac{\partial w}{\partial s} \) para \( s=0 \) y \( \quad t=\frac{\pi}{2} \) b)2 answers -
III. Hallar \( \frac{\partial y}{\partial x} \) por diferenciación implicita para \( \sec (x y)+\tan (x y)+5=0 \).2 answers -
Determine los puntos criticos de la función y utlice los criterios estudiados para clasificarlo(s) como un máximo, minimo o punto de silla 1) \( f(x, y)=2 x y-\frac{1}{2}\left(x^{4}+y^{4}\right)+1 \2 answers