Multiplying Square Roots Peb siv qhov tseeb tias cov khoom ntawm ob radicals yog tib yam li cov radical ntawm cov khoom, thiab vice versa.
Yuav ua li cas yog txoj cai khoom rau radicals?
Cov khoom tau nce mus rau Txoj Cai Lub Hwj Chim thiab Cov Lus Tshaj Lij Tshaj Tawm rau Txoj Cai Fais Fab tuaj yeem siv los ua kom yooj yim cov lus qhia radical ntev npaum li cov hauv paus hniav ntawm cov radicals tib yam. Txoj Cai Khoom Siv tau hais tias cov khoom ntawm ob lossis ntau tus lej tsa los rau lub zog yog sib npaug ntawm cov khoom ntawm txhua tus lej tsa rau tib lub zog
Yuav ua li cas thaum koj muab ob lub radicals?
Thaum ob lub radicals sib npaug ua ke, koj tuaj yeem muab lawv ua ib qho.
Txoj cai radical yog dab tsi?
Yog tias lub hauv paus square ntawm tus lej x raug xam, qhov tshwm sim yog tus lej uas thaum squared (piv txwv li, thaum tsa rau tus lej ntawm 2) muab tus lej qub x. Qhov no tuaj yeem sau cov cim raws li hauv qab no: √x=y yog y2=x y 2=x. Txoj cai no siv tau rau cov lej tiag y2≥0 y 2 ≥ 0, tsis hais tus nqi ntawm y.
Koj puas tuaj yeem faib los ntawm ib qho radical?
Simplify. Txhawm rau faib ob qhov radicals, koj tuaj yeem sau ua ntej problem ua ib qho radical. Ob tus lej hauv cov hauv paus square tuaj yeem ua ke ua ib feem hauv ib qho square cag. Thaum koj ua qhov no, koj tuaj yeem ua kom yooj yim cov feem hauv thiab tom qab ntawd coj cov hauv paus square.