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

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

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

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