Advanced Math Archive: Questions from March 30, 2023
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Determine \( \int y d x \) if: \( 2.1 \quad y=\frac{1}{\sqrt{7+6 x+3 x^{2}}} \) \( 2.2 y=x \tan ^{-1} x \) \( 2.3 \quad y=\cot ^{5} 7 x \) \( 2.4 \quad y=\sin ^{4} 4 x \) \( 2.5 \quad y=\tan \left(\fr2 answers -
Determine \( \int y d x \) if: \( 2.1 \quad y=\frac{1}{\sqrt{7+6 x+3 x^{2}}} \) \( 2.2 y=x \tan ^{-1} x \) \( 2.3 \quad y=\cot ^{5} 7 x \) \( 2.4 \quad y=\sin ^{4} 4 x \) \( 2.5 \quad y=\tan \left(\fr2 answers -
(1 point) Solve the initial value problem \[ y^{\prime \prime}+4 x y^{\prime}-16 y=0, y(0)=3, y^{\prime}(0)=0 \] \[ y= \]2 answers -
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The iterated integral \( \int_{0}^{4} \int_{0}^{4-z} \int_{0}^{\sqrt{y}} g(x, y, z) d x d y d z \) is equivalent to which of the following integrals? \[ \begin{array}{l} \int_{0}^{2} \int_{x^{2}}^{4}2 answers -
Just solve 14.
11-16 Use the Chain Rule to find \( \partial z / \partial s \) and \( \partial z / \partial t \). 11. \( z=(x-y)^{5}, \quad x=s^{2} t, \quad y=s t^{2} \) 12. \( z=\tan ^{-1}\left(x^{2}+y^{2}\right), \2 answers -
Solve the following initial value problems.
\( y^{\prime \prime \prime}-5 y^{\prime \prime}-4 y^{\prime}+20 y=36 e^{7 x}-130 \sin x, y(0)=-1, y^{\prime}(0)=5, y^{\prime \prime}(0)=1 \)2 answers -
Find \( y^{\prime} \) and \( y^{\prime \prime} \) by implicit differentiation. \[ x^{2}+x y+y^{2}=6 \] \[ y^{\prime}= \] \[ y^{\prime \prime}= \]3 answers -
Find \( y^{\prime} \) and \( y^{\prime \prime} \) by implicit differentiation. \[ 4 x^{3}-3 y^{3}=6 \] \[ y^{\prime}= \] \[ y^{\prime \prime}= \]2 answers -
Find \( d y / d x \) by implicit differentiation. \[ y \sin \left(x^{2}\right)=-x \sin \left(y^{2}\right) \]2 answers -
1. Mark each statement True or False. Justify each answer. (a) If \( x, y \in(X, d) \) and \( d(x, y)=0 \), then \( x=y \). (b) If \( x, y \in(X, d) \) and \( d(x, y)>0 \), then \( x \neq y \). (c) If2 answers -
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