- #1

- 37

- 0

For example with this case: a paraboloid that has the following equation z = x^2 + y^2

and z <= 9

What i tried doing is using cylindrical (dont really know why), with dz having limits 0 to 9, but i dont get what dr and dθ would be.

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- Thread starter nb89
- Start date

- #1

- 37

- 0

For example with this case: a paraboloid that has the following equation z = x^2 + y^2

and z <= 9

What i tried doing is using cylindrical (dont really know why), with dz having limits 0 to 9, but i dont get what dr and dθ would be.

- #2

- 1,015

- 70

Always start with a diagram.

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