Use double integration to find the volume of the solid that is common to the cylinders x^2 + y^2 =25 and x^2 + z^2 = 25.
Thank you very much.
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Use double integration to find the volume of the solid that is common to the cylinders x^2 + y^2 =25 and x^2 + z^2 = 25.
Thank you very much.
You could find the volume of one octant and then multiply by 8.
=
Hi galactus,
thank you very much for your reply. Why multiple by 8? Could you please explain to me? Thanks.
He used symmetry.Quote:
Originally Posted by kittycat
The shape was equally divided into the 8 octants. He chose only 1 octant and multiplied it by 8.
Yes. See the graph below.Quote:
Originally Posted by ThePerfectHacker