![Puas yog tsim tau ib khub tangents? Puas yog tsim tau ib khub tangents?](https://i.tvmoviesgames.com/preview/questions/17911442-is-it-possible-to-construct-a-pair-of-tangents-j.webp)
2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tus teb tsis yog, Vim; Ib khub ntawm tangents rau ib lub voj voog tsuas muaj ib qho taw tes ntawm kev sib tshuam, nrog rau lub voj voog ntawm sab nraud. … Qhov kev ncua deb no luv dua li ntawm lub vojvoog, thiab thaum ib qho taw tes khaws cia 3cm deb ntawm qhov chaw, tsuas yog ob kab ntawm kab yuav raug tsim, thiab tsis yog tangents.
Puas muaj peev xwm tsim tau ib khub tangents ntawm point P mus rau ib lub voj voog ntawm 5cm?
Teb: No, peb tsis tuaj yeem ua li ntawd vim tias cov tangents ib txwm nyob ntawm lub voj voog tsis yog sab hauv lossis sab nraud.
Nws puas tuaj yeem tsim ib khub tangents ntawm point P?
Nws tsis tuaj yeem tsimib khub ntawm tangents los ntawm qhov taw tes \(P) nyob ntawm qhov deb ntawm 3 cm ntawm qhov nruab nrab ntawm ib lub voj voog ntawm 3.5 cm.
Muaj pes tsawg tangents tuaj yeem tsim tau?
Ib lub voj voog tuaj yeem muaj qhov sib luag tsis kawg . Cov kab no hu ua tangent kab lossis yooj yim li tangents rau lub voj voog ntawm ib qho chaw. Nws yuav raug muab sau tseg tias los ntawm ib qho chaw sab nraum lub voj voog tsuas yog ob lub tangent tuaj yeem kos tau.
Yuav ua li cas thiaj nrhiav tau ib khub tangent?
Kev sib npaug ntawm ob lub tangent rau lub voj voog S=0 los ntawm P (x₁, y₁) yog S²₁=S₁₁S. Cia ib kab L=0 mus txog P (x₁, y₁) ua tau raws lub voj voog hauv A thiab B. ∴ A=(kx+x1k+1, ky+y1k+1). Yog tias L=0 yog tangent rau S=0, ces A thiab B yog coinciding thiab cov hauv paus hniav ntawm (1) yog sib npaug.
Pom zoo:
Cov ducks puas yuav nrhiav tau tus khub tshiab?
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Ducks tsis tsim cov ntawv cog lus mus sij hawm ntev, tab sis hloov daim ntawv cog lus raws caij nyoog, txwv tsis pub hu ua lub caij nyoog monogamy, uas cov ntawv cog lus tshiab tau tsim txhua lub caij. … Txhua lub caij ntuj no, cov noog yuav tsum nrhiav ib tug khub tshiab thiab tsim kom muaj ib daim ntawv cog lus tshiab rau lub caij yug me nyuam.
Puas yog lub tebchaws tsim kho tsis tau tsim?
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Kev lag luam tawm tshiab, tsim lub teb chaws, thiab lub teb chaws tshiab uas muaj kev lag luam feem ntau siv sib hloov rau ib qho underdeveloped lub teb chaws. Cov teb chaws no muaj cov nyiaj tau los ntawm ib tus neeg tsawg heev, thiab ntau tus neeg nyob hauv cov neeg txom nyem heev, suav nrog kev tsis muaj kev kawm thiab kev saib xyuas kev noj qab haus huv.
Puas yog qhov nkhaus puas muaj kab rov tav tangents?
![Puas yog qhov nkhaus puas muaj kab rov tav tangents? Puas yog qhov nkhaus puas muaj kab rov tav tangents?](https://i.tvmoviesgames.com/preview/questions/17911429-does-the-curve-have-any-horizontal-tangents-j.webp)
Peb tab tom nrhiav qhov txiaj ntsig ntawm x qhov twg y'=0, lub ntsiab lus tangent yog kab rov tav. Txij li qhov no yog qhov tseeb tsis tseeb, tsis muaj kev daws teeb meem, yog li, tsis muaj kab rov tav tangents. Koj ua li cas qhia qhov nkhaus tsis muaj kab rov tav tangents?
Cov khub niam txiv puas tau pw hauv txaj sib cais?
![Cov khub niam txiv puas tau pw hauv txaj sib cais? Cov khub niam txiv puas tau pw hauv txaj sib cais?](https://i.tvmoviesgames.com/preview/questions/17916095-did-couples-really-sleep-in-separate-beds-j.webp)
Txhua tsev neeg tau pw ua ke hauv chav uas tau siv ntau yam, xws li chav nyob hauv nruab hnub nrog straw lev lossis txaj uas rub tawm rau hmo ntuj. … Rau tag nrho lub ntiaj teb no, txoj kev xav ntawm lub txaj nyias tsuas yog ua tsis tauthiab tseem tsis tau pom dua li qhov xav tau kom txog rau thaum lub sijhawm Victorian.
Dab tsi yog qhov sib tw ua khub tsim?
![Dab tsi yog qhov sib tw ua khub tsim? Dab tsi yog qhov sib tw ua khub tsim?](https://i.tvmoviesgames.com/preview/questions/17942471-whats-a-matched-pairs-design-j.webp)
3. Matched Pairs: Tus khub tsim qauv yog tus qauv kev sim uas cov khub ntawm cov neeg koom nrog sib koom ua ke ntawm cov ntsiab lus tseem ceeb, xws li hnub nyoog lossis kev lag luam hauv zej zog. Ib tus tswvcuab ntawm txhua tus khub tau muab tso rau hauv pawg sim thiab lwm tus tswvcuab rau hauv pawg tswj hwm.