2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Thaum peb tham txog kev ua kom siab tshaj lossis txo qis qhov ua haujlwm peb txhais li cas yog qhov tuaj yeem yog tus nqi siab tshaj plaws ntawm txoj haujlwm ntawd lossis qhov tsawg kawg nkaus tus nqi ntawm qhov haujlwm ntawd. Qhov no tuaj yeem raug txhais raws li cov ntsiab lus thoob ntiaj teb lossis hauv cheeb tsam.
Koj txo qhov ua haujlwm li cas?
Yog tias koj tsis xav kom ntsaws cov txiaj ntsig no rau hauv kev ua haujlwm, koj tuaj yeem siv qhov thib ob derivative xeem. Cia D=fxxfyy−f2xy, ntsuas D thiab txhua qhov thib ob ntawm cov ntsiab lus tseem ceeb koj muaj plaub txoj kev xaiv: Yog D>0 thiab fxx>0 koj muaj qhov tsawg kawg nkaus hauv zos. Yog D>0 thiab fxx<0 koj muaj qhov siab tshaj plaws hauv zos.
txhais li cas kom txo qis lub hom phiaj ua haujlwm?
Txog kom txo qis lub hom phiaj ua haujlwm, peb pom cov vertices ntawm thaj tsam ua tau. … Ib txoj haujlwm linear tuaj yeem ua tsis tau qhov kev daws teeb meem zoo yog tias tsis muaj thaj tsam ua tau. Yog tias qhov kev txwv tsis sib xws tsis sib xws, tej zaum yuav tsis muaj ib cheeb tsam hauv daim duab uas txaus siab rau txhua qhov kev txwv.
Koj ua kom muaj nuj nqis li cas?
Yuav ua li cas kom muaj nuj nqis: Cov kauj ruam dav dav
- Nrhiav thawj qhov sib piv,
- Teem lub derivative sib npaug rau xoom thiab daws,
- Qhia cov txiaj ntsig ntawm Kauj Ruam 2 uas nyob hauv [a, b],
- Ntxiv cov ntsiab lus kawg ntawm lub sijhawm rau cov npe,
- Ntsuas koj cov lus teb los ntawm Kauj Ruam 4: Tus nqi ua haujlwm loj tshaj plaws yog qhov siab tshaj plaws.
Maximize lej txhais li cas?
1. (tr) ua kom siab lossis zoo li ua tau; nce mus rau qhov siab tshaj plaws. 2. (Mathematics) lej nrhiav qhov siab tshaj plaws ntawm (ib txoj haujlwm)
Pom zoo:
Kev tsov rog ntawm kev txom nyem puas txo qis kev txom nyem?
Nyob rau xyoo caum tom qab xyoo 1964 qhia txog kev ua tsov ua rog ntawm kev txom nyem, cov neeg txom nyem hauv Teb Chaws Asmeskas tau nqis mus rau qhov qis tshaj plaws txij li cov ntaub ntawv nthuav dav tau pib xyoo 1958: los ntawm 17.3% hauv lub xyoo Txoj Cai Kev Lag Luam Kev Lag Luam tau siv rau 11.
Los ntawm cov khoom ntawm kev txo qis amination?
Cov tshuaj tiv thaiv ntawm ib qho amine thiab formaldehyde ua raws li kev txo qis amination tuaj yeem tsim ib qho tshuaj methylated amine. Ib qho tertiary amine feem ntau yog cov khoom ntawm cov tshuaj tiv thaiv yog tias siv formaldehyde ntau dhau.
Cov ntaub ntawv hom twg raug zam los ntawm kev txo qis thiab kev cais tawm?
Cov lus qhia txo qis yuav tsum tsis txhob siv rau cov ntaub ntawv uas muaj tsoomfwv cov ntaub ntawv txawv teb chaws lossis Cov Ntaub Ntawv Txwv lossis Cov Ntaub Ntawv txwv yav dhau los. Txhua daim ntawv teev npe yuav tsum qhia kom meej raws li qhov ua tau, cov ntaub ntawv twg hauv nws tau muab cais tawm thiab qib twg.
Vim li cas qis qis qis qis tv ma?
qis qis yog rated R rau lus, kev nruj kev tsiv, duab liab qab, thiab gore. Vim li cas thiaj pom TV-Ma? Ntshav, kev sib ntaus sib tua ua phem muaj kev txiav plaub hau, stabbing, maulings, thiab lwm yam xwm txheej phem. Riam phom muaj xws li axes, rakes, bludgeons, ropes, aub qus, thiab lwm yam.
Puas yog kev nco qab los ntawm kev txo qis?
Kev nco qab-raws li kev ntxhov siab txo qis (MBSR) yog yim-lub limtiam pov thawj-raws li kev pabcuamuas muaj kev cob qhia secular, mob siab rau los pab cov neeg muaj kev ntxhov siab, ntxhov siab, kev nyuaj siab thiab mob. … Qhov kev pab cuam MBSR tau piav qhia meej hauv Kabat-Zinn phau ntawv xyoo 1990 Full Catastrophe Living.
