MathDB
Today's calculation of Integral 542

Source: 1980 Kobe University entrance exam/Science

January 30, 2010
calculusintegrationfunctioncalculus computations

Problem Statement

Find continuous functions f(x), g(x) f(x),\ g(x) which takes positive value for any real number x x, satisfying g(x)\equal{}\int_0^x f(t)\ dt and \{f(x)\}^2\minus{}\{g(x)\}^2\equal{}1.