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求不定积分 ∫(x-2)的平方/√x dx
人气:162 ℃ 时间:2020-10-01 23:24:50
解答
=∫(x^2-4x+4)*x^(-1/2)dx
=∫[x^(3/2)-4x^(1/2)+4x^(-1/2)]dx
=2x^(5/2)/5-8x^(3/2)/3+8x^(1/2)+C
=2x^2√x-8x√x+8√x+C
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