Calculus Archive: Questions from April 09, 2023
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Determine \( \frac{d y}{d x} \) of the following and simplify if possible: 3.1 \( y=\frac{2 \sin x}{1-\cos x} \) 3.2 \( y=\frac{1}{x}-\cos ^{2}(3 x) \) 3.3 \( y=\sqrt{x} e^{\left(x^{2}+2\right)} \) 3.2 answers -
Find the Jacobian of the transformation \[ T:(u, v, w) \longrightarrow(x, y, z) \] when \[ x=6 u v, y=2 v w, z=5 u w . \] 1. \( \frac{\partial(x, y, z)}{\partial(u, v, w)}=122 u v w \) 2. \( \frac{\pa2 answers -
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Find the domain of the function \( f(x, y)=\ln \left(5 x^{2}-3 y+1\right) \). The set of all ordered pairs \( (x, y) \) for which: A) \( y \leq \frac{1+5 x^{2}}{3} \) (B) \( y \leq-\frac{1+5 x^{2}}{3}2 answers -
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Find all first partial derivatives. \[ \begin{array}{l} \quad f(x, y)=8 x^{3}+2 y-3 \\ f_{x}(x, y)= \\ f_{y}(x, y)= \end{array} \]2 answers -
Evaluate \( \iiint_{\mathcal{B}} f(x, y, z) d V \) for the specified function \( f \) and \( \mathcal{B} \) : \[ \begin{aligned} f(x, y, z) & =\frac{z}{x} \quad 2 \leq x \leq 12,0 \leq y \leq 6,0 \leq2 answers -
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Find \( y \) as a function of \( u \) if \[ \begin{array}{l} y^{\prime \prime \prime}-17 y^{\prime \prime}+72 y^{\prime}=280 e^{x}, \\ y(0)=27, \quad y^{\prime}(0)=25, \quad y^{\prime \prime}(0)=29 .2 answers -
For \( f(x, y)=(x-2)^{2}+(y-1)^{2}+(x+y)^{2} \), we have the following. \[ f_{x}(x, y)= \] \[ f_{y}(x, y)= \]2 answers -
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