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数学
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求 ∫3的x的次方e的x的次方dx 的不定积分
人气:240 ℃ 时间:2019-11-02 16:11:58
解答
∫ (3^x)(e^x) dx
=∫ (3e)^x dx
= (3e)^x /ln[3e] + C
= (3e)^x /[1+ln3] + C
= 1/[1+ln3] *[ (3^x)*(e^x) ] + C
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