MathDB
Today's calculation of Integral 593

Source:

April 22, 2010
calculusintegrationtrigonometryfunctioncalculus computations

Problem Statement

For a positive integer mm, prove the following ineqaulity.
0\leq \int_0^1 \left(x+1-\sqrt{x^2+2x\cos \frac{2\pi}{2m+1}+1\right)dx\leq 1.}
1996 Osaka University entrance exam