求最大值及最小值和极值

2022-11-01 11:53发布

求导大于03x^2-3x>0 即x(3x-3)>0 所以x>1或者x0即(-1,1)增区间(-无穷,-1

求导大于03x^2-3x>0 即x(3x-3)>0 所以x>1或者x<0 选C求导原式=-3x^2+3=-3(x^2-1)>0即(-1,1)增区间(-无穷,-1