dziustas1 (+18)
∫(6x+1)/(1-(3x+1)^(1/3))dx
∫(2x+1)/(9x²+6x+2)dx
∫(4x²+x+3)/(x^4+x²)dx
∫tg^6xdx
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http://www.wolframalpha.com/input/?i=integrate+%286x%2B1%29%2F%281-%283x%2B1%29^%281%2F3%29%29
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