不定积分112-211考研资料.pdfVIP免费

【112】解析：123xxxxedx343xxxedx15788ln8353131xxxedxxeCe1588315ln31xxexC.【113】解析：222222cossin11cossinsincosxxdxdxxxxx22cscseccottanxxdxxxC.【114】解析：方法一：222222sincosseccsctancotsincosxxdxxxdxxxCxx.方法二：2214csc22cot21sin24dxxdxxCx.【115】解析：22tansec1tanxdxxdxxxC.【116】解析：222221111arctan111xxdxdxdxxxCxxx.【117】解析：3352222121422235xxdxxxdxxxxCxx【118】解析：334113232323228xdxxdxxC【119】解析：332131112323233223dxxdxxCx【120】解析：322221111123xdxxC【121】解析：2222111121xdxdxxCxx一笑而过考研数学【122】解析：22222211112211xxdxdxxx2222111111221xdxdxx322x21C113x【123】解析：21lnxdlnxln1xC【124】解析：2222111arcsin221dxxCx【125】解析：2111arcsin241xdxCx【126】解析：111xxedeCx【127】解析：10111tantantan11xdxxC【128】解析：211arcsinarcsinarcsindxCxx【129】解析：222221tan11tan1121xdxxdxx2lncos1xC【130】解析：22ln11lnlnlnlnxxdxdxxCxxxxxx【131】解析：35222lnlnln5xxdxxxxC【132】解析：由于211lntansectansincosxxxxx则：lntanlntanlntanlntanxxdxxdx21lntan2xC【133】解析：21cos211sinsin2224xxdxdxxxC一笑而过考研数学3231cos1sinsinsinsin3xdxxdxxxC2421cos21cos12cos22cos42xxdxdxxxdx2111sin2cos2444xxxdx111sin21cos4448xxxdx1111sin2sin444832xxxxC311sin2sin48432xxxC【134】解析：221arctan11xxxxxedxdeeCee【135】解析：...