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關於EX的百科

設火箭發*失敗的概率為0.01,若發*10次,其中失敗的次數為X,則下列結論正確的是(  )A.E(X)=0....
函數f(x)的圖象向右平移1個單位長度,所得圖象與曲線y=ex關於y軸對稱,則f(x)=(  )A.ex+1 ...
已知命題p:“∃x∈R,ex﹣x﹣1≤0”,則命題¬p(  )A.∀x∈R,ex﹣x﹣1>0 B.∀x∉R,e...
函數y=(ex+e-x)的導數是(  )A.(ex-e-x)                     B.(e...
 Weallfeltvery         atthe         news.A.exciting;ex...
ex officio造句怎麼寫
  • ex officio造句怎麼寫

  • 1、presentatthemeetingexofficio2、TheOfficeofaContractingPartyshallcorrectitsownmistakes,exofficiooruponrequest,fornofee.3、Sixofthe12membersrepresentemployers,andtheothersixrepresentemployees.TheCommissionerforLabour,orhisdeputy,istheexofficiochairm...
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函數y=-ex的圖象(  )A.與y=ex的圖象關於y軸對稱B.與y=ex的圖象關於座標原點對稱C.與y=e-...
ex造句怎麼寫
  • ex造句怎麼寫

  • Brazilianmediasaidtheboy'sex-stepfatherwasdetained.Couldthiscraftyex-paratrooperpulloffanotherupset?Iguessedthathewasanex-serviceman.Afteradivorcetheex-husbandusuallygetscustodyofthechildrenandtheex-wifeisostracizedandhastroublegettingajob.Iremember...
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ex parte造句怎麼寫
  • ex parte造句怎麼寫

  • incameraorexparteproceedings人紅遭忌,小心暗器....笑的理由不多,但似乎還是擁有笑的能力。Theprohibitionsonexpartecontactscomeintoplaywhenaproceedinghasbeennoticedforhearing,unlesstheagencyhasdesignatedsomeearliertime.5U.S.C.A.§557(d)(1)(E).Acasethatarose...
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ex ante造句怎麼寫
  • ex ante造句怎麼寫

  • Letusconsidertheexante,inadvanceofthethinkingandplan.Ingeneraljurisprudence,wemightassociatetheexanteperspectivewithlegalinstrumentalism(orlegalrealism).Inresponsetothis,smallholdershavedevelopedstrategiesfor(exante)riskmanagementand(expost)riskcopin...
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已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.718…).(1)則[f(x)]2-[g(x)]2...
  • 已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.718…).(1)則[f(x)]2-[g(x)]2...

  • 問題詳情:已知f(x)=ex-e-x,g(x)=ex+e-x(e=2.718…).(1)則[f(x)]2-[g(x)]2的值為; (2)若f(x)·f(y)=4,g(x)·g(y)=8,則=. 【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)因為f(x)·f(y)=(ex-e...
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ex factory造句怎麼寫
  • ex factory造句怎麼寫

  • "出廠價格,見exfactoryprice"Icanalsoconfirmthatbasedonquantitiesof20,000unitsormorethatapriceof5.50POUNDSexfactoryisavailablelessanextra10%discountforpaymentwithyourpurchaseorder....
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設函數f(x)在(0,+∞)內可導,且f(ex)=x+ex,則f'(1)=    .
 設函數f(x)在(0,+∞)內可導,且f(ex)=x+ex,則f′(1)=
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)]...

  • 問題詳情: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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—Thereisgoingtobeaconcertthisevening.        —       ex...
Theconceptofsolitude(獨處)inthedigitalworldisalmostnon-ex...
  • Theconceptofsolitude(獨處)inthedigitalworldisalmostnon-ex...

  • 問題詳情:Theconceptofsolitude(獨處)inthedigitalworldisalmostnon-existent.Intheworldofdigitaltechnology,e-mail,socialnetworkingandonlinevideogames,informationismeanttobe__21__.Solitudecanbehardtodiscover__22__ithasbeengivenup.Inthisrespect,newtechnolog...
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下列説法正確的是(  )A.“∀x∈R,ex>0”的否定是“∃x∈R,使ex>0”B.若x+y≠3(x,y∈R...
命題:∀x∈R,ln(ex﹣1)<0的否定是(  )A.∀x∈R,ln(ex﹣1)>0     B.∀x∈R,...
Sleepinginisoneofthebestpartsoftheweekend.Afteralong,ex...
  • Sleepinginisoneofthebestpartsoftheweekend.Afteralong,ex...

  • 問題詳情:Sleepinginisoneofthebestpartsoftheweekend.Afteralong,exhaustingworkweek,sometimesallyouwanttodoissleep.OnFridaynight,youslideunderthecovers,smilinginanticipation.Nowyoucanfinallycatchuponyoursleep.Exceptyoucan’t.WhenyouopenyoureyesSaturdaymo...
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*命題“f(x)=ex+在(0,+∞)上是增函數”,一個同學給出的*法如下:∵f(x)=ex+,∴f′(x)...
Thematchwas         andIfelt        .   A.exciting;  ex...
命題“∀x∈R,ex>0”的否定是    .
ex vivo造句怎麼寫
  • ex vivo造句怎麼寫

  • 1、Visualizationofσ_1receptorsineyesbyinvivopositronemissiontomographyandexvivoautoradiography2、Realtimeexvivodetectionanddynamicmonitoringofinvivoexpressionofsecretedluciferasegeneinjectedbyhydrodynamicmethod3、StudyofexvivoOPGGeneTherapyinPrevent...
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已知函數f(x)=(x+a)ln(x+a),g(x)=﹣+ax.(1)函數h(x)=f(ex﹣a)+g'(ex...
  • 已知函數f(x)=(x+a)ln(x+a),g(x)=﹣+ax.(1)函數h(x)=f(ex﹣a)+g'(ex...

  • 問題詳情:已知函數f(x)=(x+a)ln(x+a),g(x)=﹣+ax.(1)函數h(x)=f(ex﹣a)+g'(ex),x∈,求函數h(x)的最小值;(2)對任意x∈上h'(x)≥0,h(x)遞增,h(x)的最小值為.【回答】②當﹣1<a﹣1<1即0<a<2時,在x∈上h'(x)≤0,h(x)為減函數,在在x∈上h'(x)≥0,h(x)為增函數.∴h(x)的最小值為h(a﹣1)=﹣ea﹣1+a.③當a﹣1≥1即a≥2時,在上h'(x)≤0,h(x)遞減,h(x)的最小值為h...
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