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輝念了崔遍匈 >> 斤噐匯俳x([%2,12],音吉塀Ax3%x2+x+1−0冴撹羨,... >>

斤噐匯俳x([%2,12],音吉塀Ax3%x2+x+1−0冴撹羨,...

×2xlnx−-x2+ax-3斤x(0+±冴撹羨÷a+x+2lnx+3xx0綜y=x+2lnx+3x夸y>1+2x?3x2=x2+2x?3x2喇y>=0誼x1=-3x2=1x(01扮y>0x(1+±扮y>0÷x=1扮ymin=1+0+3=4÷a+4÷糞方a議函峙袈律頁-±4]絞僉C

低貧中恂議厮将餓音謹阻 ax³-x²+4x+3−0 ax³−x²-4x-3 遍枠x=0扮0−0-0-2=-3冴撹羨。 及屈-2+x0扮 a+1/x-4/x²-3/x³ 綜f(x)=1/x-4/x²-3/x³ 箔擬f >(x) = -1/x²+8/x³+12/x^4 = -(x&...

基宛葎Bax3-x2+4x+3−0,延侘葎ax³−x²-4x-3 輝-2+x

喇購噐x議音吉塀x2+2ax+40斤匯俳x(R冴撹羨辛誼@=4a2-160÷P-2a2喇痕方fx=-5-2ax頁受痕方辛誼5-2a1夸a2qa2飛凋籾^p拝q ̄葎邪凋籾^p賜q ̄葎寔凋籾夸pq嶄匯倖葎寔匯倖葎邪挌p寔q邪夸嗤?2a2a−2緩扮a音贋壓a−...

×音吉塀x 2 +ax+4−0斤匯俳x(01]冴撹羨 a−-(x+ 4 x ) 壓x(01]冴撹羨更夛痕方 a(x)=-(x+ 4 x ) x(01]÷a−ax max ×痕方 a(x)=-(x+ 4 x ) 壓x(01]汽距弓奐絞ax壓x=1扮函誼恷寄峙-5絞基宛葎a−-5

飛音吉塀x2-ax+4−0斤噐販吭議x([13]冴撹羨夸x2+4−ax斤噐販吭議x([13]冴撹羨軸x+4x−a斤噐販吭議x([13]冴撹羨×輝x([13]扮x+4x([45]絞a+4軸糞方a議函峙袈律頁-±4]絞僉A

輝@=-2a 2 -4+0軸a+1扮音吉塀x 2 -2ax+1−0斤販吭x−1冴撹羨輝@=-2a 2 -40夸俶 4 a 2 -40 a1 1 2 -2a+1−0 盾誼a(?侭參聞音吉塀x 2 -2ax+1−0斤販吭x−1冴撹羨議糞方a議函峙袈律葎-±1]絞基宛葎-±1]

拗慯x議音吉塀ax2+2ax+10冴撹羨輝a=0扮音吉塀ax2+2ax+10 辛晒葎10冴撹羨撒a』0飛音吉塀ax2-2ax+10 斤匯俳x(R冴撹羨夸a0(?2a)2?4a0盾誼0a1忝貧a([01凋籾抓輓鵤拶攤方fx=log2a?x1+x葎謎痕方喇a?x1+x0...

P此澪方fx=2a-5x頁R貧議受痕方÷02a-51´3蛍盾誼52a3´4蛍Q采x2-ax+20誼axx2+2×1x2÷ax2+2xx+2x壓x(12扮冴撹羨´6蛍嗽 x+2x([223)´8蛍÷a−3´10蛍p‥q頁寔凋籾絞p寔賜q寔...

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