IMC 2003 · Problem 2

Day 210th IMC · Cluj-Napoca, Romania

Statement

Evaluate the limit

lim⁡x→0+∫x2xsin⁡mttn dt(m,n∈N).\lim_{x \to 0+} \int_x^{2x} \frac{\sin^m t}{t^n}\,dt \quad (m, n \in \mathbb{N}).

Official solution

Hidden so you can work on the problem first.