Given the funcion: ((x^2)/9)+(((y^2)/9)e^0.2x)=1    revolve around the x-axis to create an egg. Find the volume of egg.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Given the funcion: ((x^2)/9)+(((y^2)/9)e^0.2x)=1    revolve around the x-axis to create an egg. Find the volume of egg.

Expert Solution
Step 1

The given equation is x29+y29e0.2x=1.

We can plot the solid of revolution as 
Advanced Math homework question answer, step 1, image 1

Step 2

From the plot we get the limits of x as -3x3.

Now, the volume of revolution can be determined by 
V = π -33[f(x)]2 dx.
So, we express the given equation as a function of x,
y29e0.2x=9-x29y2e0.2x = 9-x2y2 =e-0.2x(9-x2)y = e-0.2x(9-x2)


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