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The volume incrementdV=--- when you use spherical coordinates to evaluate a triple integral. Why is this the standard order of integration for spherical

coordinates?

Short Answer

Expert verified

dV=ÒÏ2sinÏ•dÒÏdθdÏ•

Step by step solution

01

Given Information

The given dVis volume increment.

The spherical coordinates areÒÏ,θ,Ï•

02

Simplification

We need to solve it using spherical coordinates to evaluate triple integral.

Mathematically,

∫∫∫f(ÒÏ,θ,Ï•)dV=∫∫∫f(ÒÏ,θ,Ï•)ÒÏ2sinÏ•dÒÏdθdÏ•

Comparing we get

dV=ÒÏ2sinÏ•dÒÏdθdÏ•

This is becauseÒÏis expressed as a function of θand Ï•, it gives the simplest order of integration.

That is why this is the standard order of integration for spherical coordinates.

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