数学分析数学分析数学分析 (23).pdf

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17、?zzuzvzzxuxv xuvII II III?IIII III?1zzuzvzzyuyv yuvyII II III&)?$IIII III%(?2222222zzz2zxuv uIIII?III IIv?222231122zzzzzyuvyuv uy&)IIIII&)?$IIIII I%(%(222zvII?222212zzzyxyyIII?III240zu vI?I I?20zu vI?I I?yxvyxu11,22?)(lnyxzw?zxyyzxxzy)(?II?II?yxvxu,zyxw?01222222?II()$%&?III?IIyzxyyxzxz?xyvyxu,?xzw?0

18、222222?II?III?IIyzyxzxz?1?)(lnyxzw?141zwzxxII&)?$II%(2121wwzxuxvII&)?$II%(?1zwzyy&)II?$II%(2121wwzyuyv&)II?$II%(?zxyyzxxzy)(?II?II?22wywzxyyuxvII&)?$II%(22(wxwzxyxz yxuyv&)II?$II%()0?0wvI?I?(2)?zyxw?1zwxxII?II1wwuvII?II?1zwyyII?II1wvI?I?2222zwxuII?II2222wwu vvII?I II?22zwx yu vII?I II I22wvI?I?222zw

19、yv2II?II?01222222?II()$%&?III?IIyzxyyxzxz?0)1(2222?II?IIvwuvuw?(3)?xzw?zwwxxxII?IIwy wwxuxvII&)?$II%(?zwxyyII?IIwwxuvII?II?15222zwywxuxvIII?III2222232wywwywywxuxvuxu vxv&)IIIII?$IIII II%(22?2wuI?I222232wywyxuxu vxvII?II II22wI?22222(1)zwwywyx22wx yuuxu vxvIIIII?I IIII II?2222212zwwxyuu vxIIII?III II

20、22wv?0222222?II?III?IIyzyxzxz?220wvI?I?),(txfy?t0),(?tyxF?yx,?fFtFyFtfxFtftFxfdxdyII?IIIIIIII?IIII?0),(?tyxF(,)th x y?(,),(,)?yf x tfx h x y?()yy x?t?x?,()()th x y xt x?(,),(),()0F x y tF x y x t x?x?0FF dyF dtxy dxt dxIII?III?FF ddtyxy dxFdxtII?II?II?,()yfx t x?x?161dyff dtffFF dyFdxxt dxxtxy dxt?&

21、)IIIIIII&)?$IIIIIII%(%(?tFyFtfxFtftFxfdxdyII?IIIIIIII?IIII?14.?RR?2:),(yxf2:)(RRG?t6G?f?(,)f x y2:)(RRG?t()(,)tt t?G?(,)f x y00(,)xy?00(,)xfxy?00(,)yfxy?0?00(,)0yfxy?00(,)(,)(,)F x yf x yf xy?12.4.1?0 x?(,)a b()yg x?(,()0F x g x6?(,()f x g x6?1tan2xatba?&?$?%()?():(,)(,)xx ta b?()(),()tx t g x t?G?2?RR?17

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