Cov txheej txheem:

Cov radicals ua haujlwm li cas hauv lej?
Cov radicals ua haujlwm li cas hauv lej?

Video: Cov radicals ua haujlwm li cas hauv lej?

Video: Cov radicals ua haujlwm li cas hauv lej?
Video: Xeev Washington Cov Kev Cai Kev Nyab Xeeb hauv Chaw Ua Hauj Lwm Uas Yuav Tsum Tau 2024, Kaum ib hlis
Anonim

Hauv lej , a radical kev qhia yog txhais raws li ib qho kev qhia uas muaj a radical (√) lub cim. Ntau tus neeg yuam kev hu qhov no yog 'square root' lub cim, thiab ntau zaus nws yog siv los txiav txim lub hauv paus square ntawm tus lej. Piv txwv li, 3√(8) txhais tau tias nrhiav lub hauv paus lub voos xwmfab ntawm 8.

Hais txog qhov no, dab tsi yog qhov sib npaug radical?

A radical sib npaug yog ib kev sib npaug nyob rau hauv whicha variable yog nyob rau hauv a radical . daws a radicalequation : cais cov radical kev qhia uas muaj qhov sib txawv. Yog ntau tshaj ib radical kev qhia yuav hloov pauv tau, ces cais ib qho ntawm lawv. Nce ob sab ntawm lub kev sib npaug mus rau qhov index ntawm cov radical.

Ib yam li ntawd, qhov Performance index ua li cas hauv ib qho radical? Thiab tus lej ntawd me me rau sab laug ntawm tus radical kos npe yog raws nraim qhov txhais tau tias " qhov ntsuas ntawm radical ." Hauv lwm lo lus, lub qhov ntsuas yog tus lej uas qhia koj tias koj yuav tsum coj li cas.

Tom qab ntawd, ua li cas koj simplify radicals?

Yuav Ua Li Cas Yooj Yim Radicals Cov kauj ruam

  1. Nrhiav qhov loj tshaj plaws zoo meej square uas yog qhov tseem ceeb ntawm theradicand.
  2. Rewrite the radical as a product of the square root of 4 (foundin the last step) thiab nws qhov zoo sib xws (2)
  3. Ua kom yooj yim.
  4. Nrhiav qhov loj tshaj plaws zoo meej square uas yog qhov tseem ceeb ntawm theradicand (ib yam li ua ntej)

Dab tsi yog radicals hauv cov piv txwv lej?

Ib qho kev qhia uas siv lub hauv paus, xws li square root, lub voos xwmfab cag. Saib lub ntsiab txhais ntawm lub hauv paus. Tus naj npawb ntawm lub sij hawm radicandis multiplied los ntawm nws tus kheej. 2 txhais tau tias square root, 3 txhais tau tias cuberoot.

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