题目

The Digital Media Summer CampThe digital media（数字媒体）summer camp is a great chance for students aged 7 to 18 to have STEM courses. Students can learn to build an app, program a robot, or explore（探索）the world of music production. STEM courses will also help students create, learn teamwork and solve problems. Students will learn from our teachers who have been employed（聘用）for both their teaching experience and rich knowledge in their fields. Besides making new friends, students will leave with amazing final projects and lasting memories. Time: August 1st--August 31stDa 已知函数,且。 （1）若函数在处的切线与轴垂直，求的极值。 （2）若函数在，求实数a的值。