Posted by **John** on Monday, March 4, 2013 at 12:30am.

Given that \displaystyle \int_0^4 x^3\sqrt{9+x^2} dx = a, what is the value of \lfloor a \rfloor?

- Calculus -
**Steve**, Monday, March 4, 2013 at 4:44am
I get 14

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