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∫1/根号xsin(3根号x+2)dx
人气:432 ℃ 时间:2020-01-27 23:54:52
解答

∫1/√xsin(3√x+2)dx
=2/3∫sin(3√x+2)d(3√x+2)
=2/3∫sinudu
=-2/3cosu+C
=-2/3cos(3√x+2)+C
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