【正文】
導(dǎo)數(shù)定義 ,運(yùn)算 (隱 ,參 ,高階 )相關(guān)變化率 ????????????axxxxbaxxf則處可導(dǎo),在設(shè) 1112c os21)(.2 ?練習(xí)一:.____)(,3)()(,??????????xfxxxfxxfx則無(wú)窮小高階的為比時(shí)當(dāng))(1132)(.3 32xfxxxxxf ????????? ,求設(shè).____,ar c s i n)(),2323(.404 ???????xdxdyxxfxxfy221a r c t a n.1.??????????xxxydxdy等:求導(dǎo)數(shù)二3221xxy???xxy 2a r c c os2 )1(.5 ??xxxxxy ta nln )c os(s i n.3 32 ?