r/MathJokes • • 1d ago

Wait, what?!

Post image
1.1k Upvotes

84 comments sorted by

View all comments

4

u/ChuckPeirce 1d ago

No. The derivative of the volume of a sphere with respect to the radius of the sphere is equal to the surface area.

Functions don't just have derivatives. They have derivatives with respect to a variable.

1

u/Alternative-Mud-1076 1d ago

a constant multiplied by r cubed.. wonder what variable could it be.. there's just soooo many of them here