MathDB
integral inequality, condition 1≥int|f'(x)|^2 from 0 to 1

Source: SEEMOUS 2013 P3

June 8, 2021
calculusintegrationinequalities

Problem Statement

Find the maximum value of 01f(x)2f(x)1xdx\int^1_0|f'(x)|^2|f(x)|\frac1{\sqrt x}dxover all continuously differentiable functions f:[0,1]Rf:[0,1]\to\mathbb R with f(0)=0f(0)=0 and 01f(x)2dx1.\int^1_0|f'(x)|^2dx\le1.