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TAIKOMOJI MATEMATIKA

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3.1.3 Pirmoji pagrindinė ribasin xlimx→0 x = 13.7 pavyzdys. Apskaičiuokime ribąSprendimas.( )sin 3x 0limx→0 sin 5x = = lim0sin 3xlimx→0 sin 5x .( ) sin 3x3x( )x→0 sin 5x5x3.8 pavyzdys. Apskaičiuokite ribąSprendimas.limx→0limx→03x lim5x = limsin 6xcos x · tg 3x .sin yy→0 yz→0sin zz( )sin 6x 0cos x · tg 3x = sin 6x cos 3x= lim ·0 x→0 sin 3x cos xsin 6x6xx→0 sin 3x3x= lim· 6x · lim · 3x x→0· 35 = 1 1 · 35 .cos 3xcos x = lim 6xx→0 3x · 1 = 2.3.2 užduotis savarankiškam darbui.Užduotis Riba Užduotis Riba3x3.2.1 lim2 −5x3.2.11 limx→0sin 3xx→02x sin x3.2.2 lim3.2.12 limx→01−cos xx→01−cos 4x3.2.3 lim3.2.13 limx sin 3xx→03.2.4 limx→03.2.5 limx→0( )1sin x − cos x1−cos 3x3.2.14 limx→03.2.15 limx tg 2xx→0363x 2 +5xsin 3x3x sin x1−cos x1−cos 2xx→0x sin 3xAtsakymas. 3 5 .Atsakymas. 2.( )2sin x − 2 cos x1−cos xx tg 2x

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