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January 31, 2015

January 31, 2015

Posted by **R** on Saturday, September 14, 2013 at 10:53pm.

- math -
**Steve**, Saturday, September 14, 2013 at 11:11pmthe surface is a half-sphere:

x^2+y^2+z^2 = 52

Since it is concave downward, it is clear that L < V < U

Think of the area under an arch. Left sums underestimate it, and right sums overestimate it.

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