求各位帮我解答(1)√-x³/(x-1)² (2) a/a²-1√(a-1)²/a的4方(0

问题描述:

求各位帮我解答(1)√-x³/(x-1)² (2) a/a²-1√(a-1)²/a的4方(0

(1)√-x³/(x-1)²
隐含x