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关于EX的百科

设火箭发*失败的概率为0.01,若发*10次,其中失败的次数为X,则下列结论正确的是(  )A.E(X)=0....
函数f(x)的图象向右平移1个单位长度,所得图象与曲线y=ex关于y轴对称,则f(x)=(  )A.ex+1 ...
ex造句怎么写
  • ex造句怎么写

  • Brazilianmediasaidtheboy'sex-stepfatherwasdetained.Couldthiscraftyex-paratrooperpulloffanotherupset?Iguessedthathewasanex-serviceman.Afteradivorcetheex-husbandusuallygetscustodyofthechildrenandtheex-wifeisostracizedandhastroublegettingajob.Iremember...
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Theconceptofsolitude(独处)inthedigitalworldisalmostnon-ex...
  • Theconceptofsolitude(独处)inthedigitalworldisalmostnon-ex...

  • 问题详情:Theconceptofsolitude(独处)inthedigitalworldisalmostnon-existent.Intheworldofdigitaltechnology,e-mail,socialnetworkingandonlinevideogames,informationismeanttobe__21__.Solitudecanbehardtodiscover__22__ithasbeengivenup.Inthisrespect,newtechnolog...
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Sleepinginisoneofthebestpartsoftheweekend.Afteralong,ex...
  • Sleepinginisoneofthebestpartsoftheweekend.Afteralong,ex...

  • 问题详情:Sleepinginisoneofthebestpartsoftheweekend.Afteralong,exhaustingworkweek,sometimesallyouwanttodoissleep.OnFridaynight,youslideunderthecovers,smilinginanticipation.Nowyoucanfinallycatchuponyoursleep.Exceptyoucan’t.WhenyouopenyoureyesSaturdaymo...
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ex factory造句怎么写
  • ex factory造句怎么写

  • "出厂价格,见exfactoryprice"Icanalsoconfirmthatbasedonquantitiesof20,000unitsormorethatapriceof5.50POUNDSexfactoryisavailablelessanextra10%discountforpaymentwithyourpurchaseorder....
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已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.71828…)(1)求[f(x)]2-[g(x)]...
  • 已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.71828…)(1)求[f(x)]2-[g(x)]...

  • 问题详情:已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.71828…)(1)求[f(x)]2-[g(x)]2的值;(2)若f(x)f(y)=4,g(x)g(y)=8,求的值.【回答】解析(1)[f(x)]2-[g(x)]2=(ex-e-x)2-(ex+e-x)2=(e2x-2+e-2x)-(e2x+2+e-2x)=-4.(2)f(x)f(y)=(ex-e-x)(ey-e-y)=ex+y+e-x-y-ex-y-e-x+y=[ex+y+e-(x+y)]-[ex-y+e-(x-y)]=g(x+y)-g(x-y)∴g(x+y)-g(x-y)=4        ...
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ex officio造句怎么写
  • ex officio造句怎么写

  • 1、presentatthemeetingexofficio2、TheOfficeofaContractingPartyshallcorrectitsownmistakes,exofficiooruponrequest,fornofee.3、Sixofthe12membersrepresentemployers,andtheothersixrepresentemployees.TheCommissionerforLabour,orhisdeputy,istheexofficiochairm...
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已知函数f(x)=(x+a)ln(x+a),g(x)=﹣+ax.(1)函数h(x)=f(ex﹣a)+g'(ex...
  • 已知函数f(x)=(x+a)ln(x+a),g(x)=﹣+ax.(1)函数h(x)=f(ex﹣a)+g'(ex...

  • 问题详情:已知函数f(x)=(x+a)ln(x+a),g(x)=﹣+ax.(1)函数h(x)=f(ex﹣a)+g'(ex),x∈,求函数h(x)的最小值;(2)对任意x∈上h'(x)≥0,h(x)递增,h(x)的最小值为.【回答】②当﹣1<a﹣1<1即0<a<2时,在x∈上h'(x)≤0,h(x)为减函数,在在x∈上h'(x)≥0,h(x)为增函数.∴h(x)的最小值为h(a﹣1)=﹣ea﹣1+a.③当a﹣1≥1即a≥2时,在上h'(x)≤0,h(x)递减,h(x)的最小值为h...
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命题:∀x∈R,ln(ex﹣1)<0的否定是(  )A.∀x∈R,ln(ex﹣1)>0     B.∀x∈R,...
ex ante造句怎么写
  • ex ante造句怎么写

  • Letusconsidertheexante,inadvanceofthethinkingandplan.Ingeneraljurisprudence,wemightassociatetheexanteperspectivewithlegalinstrumentalism(orlegalrealism).Inresponsetothis,smallholdershavedevelopedstrategiesfor(exante)riskmanagementand(expost)riskcopin...
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 设函数f(x)在(0,+∞)内可导,且f(ex)=x+ex,则f′(1)=
ex parte造句怎么写
  • ex parte造句怎么写

  • incameraorexparteproceedings人红遭忌,小心暗器....笑的理由不多,但似乎还是拥有笑的能力。Theprohibitionsonexpartecontactscomeintoplaywhenaproceedinghasbeennoticedforhearing,unlesstheagencyhasdesignatedsomeearliertime.5U.S.C.A.§557(d)(1)(E).Acasethatarose...
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设函数f(x)在(0,+∞)内可导,且f(ex)=x+ex,则f'(1)=    .
命题“∀x∈R,ex>0”的否定是    .
—Thereisgoingtobeaconcertthisevening.        —       ex...
函数y=(ex+e-x)的导数是(  )A.(ex-e-x)                     B.(e...
Thematchwas         andIfelt        .   A.exciting;  ex...
已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.718…).(1)则[f(x)]2-[g(x)]2...
  • 已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.718…).(1)则[f(x)]2-[g(x)]2...

  • 问题详情:已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.718…).(1)则[f(x)]2-[g(x)]2的值为; (2)若f(x)·f(y)=4,g(x)·g(y)=8,则=. 【回答】(1)-4(2)3(1)[f(x)]2-[g(x)]2=[f(x)+g(x)][f(x)-g(x)]=[(ex-e-x)+(ex+e-x)][(ex-e-x)-(ex+e-x)]=2ex·(-2e-x)=-4.(2)因为f(x)·f(y)=(ex-e...
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ex vivo造句怎么写
  • ex vivo造句怎么写

  • 1、Visualizationofσ_1receptorsineyesbyinvivopositronemissiontomographyandexvivoautoradiography2、Realtimeexvivodetectionanddynamicmonitoringofinvivoexpressionofsecretedluciferasegeneinjectedbyhydrodynamicmethod3、StudyofexvivoOPGGeneTherapyinPrevent...
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 Weallfeltvery         atthe         news.A.exciting;ex...
函数y=-ex的图象(  )A.与y=ex的图象关于y轴对称B.与y=ex的图象关于坐标原点对称C.与y=e-...
*命题“f(x)=ex+在(0,+∞)上是增函数”,一个同学给出的*法如下:∵f(x)=ex+,∴f′(x)...
下列说法正确的是(  )A.“∀x∈R,ex>0”的否定是“∃x∈R,使ex>0”B.若x+y≠3(x,y∈R...
已知命题p:“∃x∈R,ex﹣x﹣1≤0”,则命题¬p(  )A.∀x∈R,ex﹣x﹣1>0 B.∀x∉R,e...