Vim li cas nws tseem ceeb heev uas yuav tsum xav txog ntau yam thaum txiav txim siab cov hauv paus hniav ntawm cov kab zauv polynomial?
Vim li cas nws tseem ceeb heev uas yuav tsum xav txog ntau yam thaum txiav txim siab cov hauv paus hniav ntawm cov kab zauv polynomial?

Video: Vim li cas nws tseem ceeb heev uas yuav tsum xav txog ntau yam thaum txiav txim siab cov hauv paus hniav ntawm cov kab zauv polynomial?

Video: Vim li cas nws tseem ceeb heev uas yuav tsum xav txog ntau yam thaum txiav txim siab cov hauv paus hniav ntawm cov kab zauv polynomial?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
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Piv txwv li, tus naj npawb ntawm lub sij hawm muab polynomial equation muaj ib hauv paus ntawm ib qho taw tes yog qhov ntau ntau ntawm qhov ntawd hauv paus . Txoj kev xav ntawm ntau ntau yog tseem ceeb kom suav tau kom raug yam tsis muaj qhov tshwj xeeb (piv txwv li, ob npaug keeb kwm suav ob zaug). Li no cov lus hais, "suav nrog ntau ntau ".

Tom qab ntawd, vim li cas cov hauv paus hniav polynomial tseem ceeb?

Nrhiav keeb kwm ntawm a polynomial yog ib qho heev tseem ceeb ua hauj lwm hauv Applied Maths vim hais tias muaj ntau yam teeb meem xav tau ib qho kev sib npaug sib npaug sib npaug sib npaug kom daws tau (piv txwv li: kev sib haum xeeb oscillator, LRC hluav taws xob Circuit Court, …).

Tom qab ntawd, lo lus nug yog, koj txiav txim siab ntau npaum li cas? Muaj pes tsawg zaus tus lej tshwj xeeb yog xoom rau ib lub npe polynomial. Piv txwv li, nyob rau hauv lub polynomial muaj nuj nqi f(x) = (x–3)4(x–5)(x–8)2, lub zero 3 muaj ntau ntau 4,5 ua ntau ntau 1,i8 ua ntau ntau 2. Txawm hais tias tus lej no tsuas muaj peb xoom xwb, peb hais tias nws muaj xya tus lej suav ntau ntau.

Hais txog qhov no, ntau yam ua haujlwm li cas?

Qhov zoo tshaj yog rov ua dua, uas yog, qhov xwm txheej (x−2) tshwm ob zaug. Tus naj npawb ntawm lub sij hawm ib qho tseem ceeb tshwm sim nyob rau hauv daim ntawv factored ntawm qhov sib npaug ntawm ib tug polynomial yog hu ua ntau ntau . Qhov zero cuam tshuam nrog qhov xwm txheej no, x = 2, muaj ntau ntau 2 vim qhov xwm txheej (x−2) tshwm sim ob zaug.

Yuav ua li cas koj kos ib polynomial muaj nuj nqi?

  1. Kauj Ruam 1: Txiav txim siab daim duab qhov kawg tus cwj pwm.
  2. Kauj Ruam 2: Nrhiav x-intercepts lossis xoom ntawm txoj haujlwm.
  3. Kauj Ruam 3: Nrhiav y-intercept ntawm txoj haujlwm.
  4. Kauj Ruam 4: Txiav txim siab seb puas muaj qhov sib npaug.
  5. Kauj ruam 5: Nrhiav tus naj npawb ntawm cov ntsiab lus tig siab tshaj plaws.
  6. Kauj Ruam 6: Nrhiav cov ntsiab lus ntxiv, yog tias xav tau.
  7. Kauj Ruam 7: Kos daim duab.

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