1 Let be the set of functions that are differentiable, with continuous derivative, and, . Find the minimum of (where) and find all functions for which this minimum is attained.
1 Hayaan ang hanay ng mga function na differentiable, na may patuloy na nanggaling, at, . Hanapin ang minimum na (kung saan) At hanapin ang lahat ng mga function kung saan ang pinakamaliit na ito ay attained.