Understanding Integration Limits for Spherical and Cartesian Coordinates

MoAli
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Homework Statement


Shown in the photo attached.
Screen Shot 2017-02-12 at 11.05.57.png


2. Homework Equations

V r2Sinθdθdφdr in spherical coordinates
V dxdydz in cartesian coordinates
equation of a sphere x2+y2+z2=r2

The Attempt at a Solution


In this case y=(y-2): sphere displaced on the y-axis. and since it is bound by all planes its going to be one quarter of a sphere. I don't get the part where the question says translate the origin to the shape centre, how can I do this? and also I need someone to check my limits of integration. I attached my answer.
IMG_7777.JPG
 
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Hi,

Can't say I understand your integration limits for the second part. Care to explain ? And where does the factor 2 come from ?
 
Prove $$\int\limits_0^{\sqrt2/4}\frac{1}{\sqrt{x-x^2}}\arcsin\sqrt{\frac{(x-1)\left(x-1+x\sqrt{9-16x}\right)}{1-2x}} \, \mathrm dx = \frac{\pi^2}{8}.$$ Let $$I = \int\limits_0^{\sqrt 2 / 4}\frac{1}{\sqrt{x-x^2}}\arcsin\sqrt{\frac{(x-1)\left(x-1+x\sqrt{9-16x}\right)}{1-2x}} \, \mathrm dx. \tag{1}$$ The representation integral of ##\arcsin## is $$\arcsin u = \int\limits_{0}^{1} \frac{\mathrm dt}{\sqrt{1-t^2}}, \qquad 0 \leqslant u \leqslant 1.$$ Plugging identity above into ##(1)## with ##u...
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