For triple integrals, there is similar formula for change of variables. Suppose = x(s,t, u), y = y(s,t, u), z = 5 in stu-space to a region W in xyz-space. Then the Jacobian of the is change of rariables in given by the determinant: z(s, t, u) define a change of variables from a region ds Ət ди a(x, y, z) dy dy ds dy ди a(s, t, u) dz ds dz dz du Compute the Jacobian for the change of variables into spherical coordinates where : = psin(ø) cos(), y = psin(ø) sin(0), z = pletely. The final answer has a very simple form. p cos(ø). You must simplify com-

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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For triple integrals, there is a similar formula for change of variables. Suppose \( x = x(s, t, u), \, y = y(s, t, u), \, z = z(s, t, u) \) define a change of variables from a region \( S \) in \( stu \)-space to a region \( W \) in \( xyz \)-space. Then the Jacobian of the change of variables is given by the determinant:

\[
\frac{\partial(x, y, z)}{\partial(s, t, u)} = 
\begin{vmatrix} 
\frac{\partial x}{\partial s} & \frac{\partial x}{\partial t} & \frac{\partial x}{\partial u} \\ 
\frac{\partial y}{\partial s} & \frac{\partial y}{\partial t} & \frac{\partial y}{\partial u} \\ 
\frac{\partial z}{\partial s} & \frac{\partial z}{\partial t} & \frac{\partial z}{\partial u} 
\end{vmatrix}.
\]

Compute the Jacobian for the change of variables into spherical coordinates where \( x = \rho \sin(\phi) \cos(\theta), \, y = \rho \sin(\phi) \sin(\theta), \, z = \rho \cos(\phi) \). **You must simplify completely. The final answer has a very simple form.**
Transcribed Image Text:For triple integrals, there is a similar formula for change of variables. Suppose \( x = x(s, t, u), \, y = y(s, t, u), \, z = z(s, t, u) \) define a change of variables from a region \( S \) in \( stu \)-space to a region \( W \) in \( xyz \)-space. Then the Jacobian of the change of variables is given by the determinant: \[ \frac{\partial(x, y, z)}{\partial(s, t, u)} = \begin{vmatrix} \frac{\partial x}{\partial s} & \frac{\partial x}{\partial t} & \frac{\partial x}{\partial u} \\ \frac{\partial y}{\partial s} & \frac{\partial y}{\partial t} & \frac{\partial y}{\partial u} \\ \frac{\partial z}{\partial s} & \frac{\partial z}{\partial t} & \frac{\partial z}{\partial u} \end{vmatrix}. \] Compute the Jacobian for the change of variables into spherical coordinates where \( x = \rho \sin(\phi) \cos(\theta), \, y = \rho \sin(\phi) \sin(\theta), \, z = \rho \cos(\phi) \). **You must simplify completely. The final answer has a very simple form.**
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