MathDB
Today's calculation of Integral 554

Source: 2010 Doshisya University entrance exam/Life Science

February 7, 2010
calculusintegrationlogarithmscalculus computations

Problem Statement

Use \frac{d}{dx} \ln (2x\plus{}\sqrt{4x^2\plus{}1}),\ \frac{d}{dx}(x\sqrt{4x^2\plus{}1}) to evaluate \int_0^1 \sqrt{4x^2\plus{}1}dx.