MathematicsMedium175×since 2002Q2628For x∈(0,5π2),x \in \left( {0,{{5\pi } \over 2}} \right),x∈(0,25π), define f(x)=∫0xtsint dt.f\left( x \right) = \int\limits_0^x {\sqrt t \sin t\,dt.}f(x)=0∫xtsintdt. Then fff hasAlocal minimum at π\piπ and 2π2\pi2πBlocal minimum at π\piπ and local maximum at 2π2\pi2πClocal maximum at π\piπ and local minimum at 2π2\pi2πDlocal maximum at π\piπ and 2π2\pi2πCheck answerSkip