MathDB
Today's calculation of Integral 774

Source: 2012 Tokyo Women's Medical University entrance exam

January 30, 2012
calculusintegrationlogarithmscalculus computations

Problem Statement

Find the real number aa such that ∫0aex+e−x2dx=125.\int_0^a \frac{e^x+e^{-x}}{2}dx=\frac{12}{5}.
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