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因式分解法求极限(0/0 型)练习
因式分解法求极限(0/0 型) · 1–12
求每个极限。
1.limx→4 3x2 − 13x + 4x2 − x − 12
3.limx→−2 3x2 + 5x − 2x2 + 5x + 6
4.limx→−4 2x2 + 4x − 16x2 + 6x + 8
5.limx→−5 2x2 + 9x − 5x2 + 7x + 10
6.limx→−4 2x2 + 11x + 12x2 + 6x + 8
7.limx→5 x2 − 25x2 − 4x − 5
8.limx→−3 2x2 + 12x + 18x2 + 5x + 6
9.limx→−1 3x2 + 5x + 2x2 + 4x + 3
10.limx→2 x2 − 3x + 2x2 − x − 2
11.limx→1 3x2 − 5x + 2x2 + 2x − 3
12.limx→1 x2 + 3x − 4x2 − 1
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