Calculus Archive: Questions from July 31, 2023
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Find \( y^{\prime \prime} \) if \( y=4 \csc x \). \[ y^{\prime \prime}=\frac{\left(-\cos ^{2}(x)-\sin (x)\right)}{\sin ^{3}(x)} \times \]2 answers -
Determine the set of points at which the function is continuous. \[ \begin{array}{l} f(x, y)=\left\{\begin{array}{ll} \frac{x y}{x^{2}+x y+y^{2}} & \text { if }(x, y) \neq(0,0) \\ 0 & \text { if }(x,2 answers -
1. Find the derivative of the given function. (a) \( y=x^{e} \) (m) \( y=\sqrt{1-x^{2}} \arccos x \) (b) \( y=x^{2} e^{x} \) (n) \( y=\log _{2}(1+\cos x) \) (c) \( y=2^{3^{x^{2}}} \) (o) \( y=\ln \lef2 answers -
\( 11,14,19 \) Find \( d y / d x \). 11. \( y=\operatorname{coth}(\ln x) \) 14. \( y=\operatorname{sech}\left(e^{2 x}\right) \) 19. \( y=\sinh ^{-1}\left(\frac{1}{3} x\right) \) 30, 40 Evaluate the in2 answers -
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Find the values of the function.
Find the values of the function. \[ f(x, y, z)=\frac{x}{y-z} \] (a) \( f(14,4,-3) \) (b) \( f(9,2,1) \) (c) \( f\left(\frac{1}{8}, \frac{1}{3}, \frac{1}{4}\right) \) Find the values of the function3 answers -
b K Uso √xcx = 0² 32²2 a 3 2 2 8T fx dx a
Use \( \int_{a}^{b} x d x=\frac{b^{2}}{2}-\frac{a^{2}}{2}, a2 answers -
\( \begin{aligned} S & =2 \pi \int_{0}^{\pi / 2}(3 \cos \theta \sin \theta) \sqrt{3 \cos ^{2} \theta+-3 \sin ^{2} \theta} d \theta \\ & =\quad \times \int_{0}^{\pi / 2} \sin \theta \cos \theta d \thet2 answers -
Differentiate. \[ y=\frac{2 x}{3-\tan x} \] \[ y^{\prime}= \] Differentiate. \[ y=\frac{4-\sec x}{\tan x} \] \[ y^{\prime}= \]2 answers -
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Find the limit of \[ \lim _{x \rightarrow 0}\left[\frac{\sin 2 x}{\tan 3 x}-\sin x \cdot\left(2 x^{3}-8 x^{2}+9\right)\right] \]2 answers -
En los ejercicios 1 a 4 , hallar \( d w / d t \) utilizando la regla de la cadena apropiada. 1. \[ \begin{array}{l} w=x^{2}+y^{2} \\ x=2 t, \quad y=3 t \end{array} \] 2. \[ \begin{array}{l} w=\sqrt{x^2 answers -
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only the point A
En los ejercicios 5 a 10 , hallar \( d w / d t \) a) utilizando la regla de la cadena apropiada 5. \( w=x y, \quad x=e^{t}, \quad y=e^{-2 t} \) 6. \( w=\cos (x-y), \quad x=t^{2}, \quad y=1 \) 7. \( w=2 answers -
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