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114. )aresin-x+C a 24 a 4 Il5.∫aresind=xar resin+x2+2a2后-r+C a 3 a 9 116.Jarccosdx=xarecos+C a 117. x2a2、 g)arccos-后-r+C a a 4 118. ∫arccos'dr=arcco arccos1 (x2+2a2)a-x2+C 3 119. [arctan dx xarctan-4In(a+x)+C a a 2 120. [xarctan dx =(a'+x)arctana -x+C a 2 a 2 21.∫arctan-号arcta言-gr+2lnMo+xr)+C a 3 a66 (十三)含有指数函数的积分 122.Sa'dx-La+C Ina 123.∫edr=1e"+c 1 a 124.∫xedr= a(ax-l)e"+C 12s.jret=dre-gJred jd-品+C 126 127.∫x"a'dr= Ina 128.∫e“sinbxdx= (asin b-bcosbx)+C 12.ood(n)114. arcsin d x x x a  = 2 2 2 2 ( )arcsin 2 4 4 x a x x a x C a     115. 2 arcsin dx x x a  = 3 1 2 2 2 2 arcsin ( 2 ) 3 9 x x x a a x C a     116. arccos dx x a  = 2 2 arccos x x a x C a    117. arccos dx x x a  = 2 2 2 2 ( )arccos 2 4 4 x a x x a x C a     118. 2 arccos d x x x a  = 3 1 2 2 2 2 arccos ( 2 ) 3 9 x x x a a x C a     119. arctan d x x a  = 2 2 arctan ln( ) 2 x a x a x C a    120. arctan d x x x a  = 1 2 2 ( )arctan 2 2 x a a x x C a    121. 2 arctan d x x x a  = 3 3 2 2 2 arctan ln( ) 3 6 6 x x a a x a x C a     (十三)含有指数函数的积分 122. d x a x  = 1 ln x a C a  123. e dax x  = 1 e ax C a  124. e dax x x  = 2 1 ( 1)eax ax C a   125. e d n ax x x  = 1 1 e e d n ax n ax n x x x a a    126. d x xa x  = 2 1 ln (ln ) x x x a a C a a   127. d n x x a x  = 1 1 d ln ln n x n x n x a x a x a a    128. e sin d ax bx x  = 2 2 1 e ( sin cos ) ax a bx b bx C a b    129. e cos d ax bx x  = 2 2 1 e ( sin cos ) ax b bx a bx C a b   
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