Cov nqe lus twg zoo tshaj plaws piav qhia txog qhov tseem ceeb ntawm cov lus qhia muaj nuj nqis?
Cov nqe lus twg zoo tshaj plaws piav qhia txog qhov tseem ceeb ntawm cov lus qhia muaj nuj nqis?

Video: Cov nqe lus twg zoo tshaj plaws piav qhia txog qhov tseem ceeb ntawm cov lus qhia muaj nuj nqis?

Video: Cov nqe lus twg zoo tshaj plaws piav qhia txog qhov tseem ceeb ntawm cov lus qhia muaj nuj nqis?
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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Cov excluded tus nqi ntawm ib tug rational qhia yog cov tus nqi qhov twg tus denominator ntawm lub kev qhia yog zero. Tsis tas li ntawd, tus naj npawb ntawm zeros ntawm ib tug polynomial yeej ib txwm tsawg dua los yog sib npaug rau degree ntawm lub polynomial. Li no, tus naj npawb ntawm excluded qhov tseem ceeb ntawm ib tug rational qhia tsis tuaj yeem tshaj qhov degree ntawm tus denominator.

Raws li txoj cai, dab tsi yog qhov tsis suav nrog tus nqi rau kev qhia txog kev xav?

Excluded nqi yog tus nqi uas yuav ua rau tus denominator ntawm ib feem sib npaug rau 0. Koj tsis tuaj yeem faib los ntawm 0, yog li nws tseem ceeb heev kom nrhiav tau cov no. cais cov nqi thaum koj daws a rational qhia.

rational expression yog dab tsi? A rational qhia tsis muaj dab tsi ntau tshaj li ib feem nyob rau hauv uas tus zauv thiab/los yog tus denominator yog polynomials. Nov yog qee qhov piv txwv ntawm rational expressions.

Ib sab ntawm qhov no, cov lej twg yuav tsum raug cais tawm ntawm lub ntsiab lus ntawm qhov kev xav tau?

Cov domain ntawm rational expression yog txhua yam tiag tus lej tsuas yog cov uas ua tus denominator sib npaug rau xoom. Txij li thaum 7 7 77 ua tus denominator 0 000, peb yuav tsum cais tawm qhov no los ntawm sau npe.

Yuav ua li cas koj nrhiav tau qhov tseem ceeb uas yuav ua rau ib tug rational qhia tsis tau txhais?

A rational qhia yog tsis tau txhais thaum tus denominator sib npaug zos rau xoom. Yuav nrhiav tau tus nqi uas ua ib qho kev qhia tsis meej , teem lub denominator sib npaug zos rau xoom thiab daws qhov tshwm sim sib npaug. Example: 0 7 2 3 x x − tsis tau txhais vim lub zero yog nyob rau hauv lub denominator.

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