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来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 05:05:51

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∫ (x²-4x+4)/√x dx
=∫ [x^(3/2) -4x^(1/2) +4x^(-1/2)]dx
=2/5 x^(5/2) -8/3x^(3/2) -2x^(1/2) +C
承认以上复制粘贴另一个答案的.然后第三行应改为
=2/5 x^(5/2) -8/3x^(3/2) +2x^(1/2) +C
因为x^n的不定积分公式是(1/(n+1))*x^(n+1),带入n=-1/2即得.