# Calculate the volume between two spheres

I have to find the volume between the two spheres. Their equations are

$x^2+y^2+z^2=2$ and $x^2+y^2+(z-\frac1 2)^2=\frac 1 4$ for $z>0$

The first one has center $(0,0,0)$ with $r=\sqrt 2$ and the second one $(0,0,\frac 1 2)$ with $r=\frac 1 2$.

After some fancy calculations I found that $0<\theta<2\pi, 0<\phi<\frac \pi 2, \cos\phi<r<\sqrt 2$

I had this exercise as homework and I tried to find the integration limits. I am not very sure about them cause it is the first time I try to apply spherical coordinates. I could just subtract the outer sphere from the inner one but I wanted to do it with one integral.

I forgot the result I found. It is $\frac{11\pi}{12}$

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jeanleauveux22 2022-07-25 20:45:23

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