Yog tias ib kauj ruam hauv cov txheej txheem tshwm sim hauv=(x - 6)2, puas tuaj yeem daws qhov kev sib npaug qub los ntawm kev tsim? … Yog, qhov sib npaug tuaj yeem daws tau los ntawm kev ua haujlwm. Siv cov kab zauv muab, coj lub hauv paus square ntawm ob sab. Ob leeg 169 thiab 9 yog cov squares zoo meej, yog li sab laug dhau los ua ntxiv lossis rho tawm 13/3, uas yog qhov laj thawj.
Yuav muaj kev sib npaug plaub npaug los daws tau los ntawm kev tsim?
Tsis yog txhua qhov kev sib npaug plaub npaug tuaj yeem ua tiavlossis tuaj yeem daws tau hauv lawv daim ntawv qub uas siv cov cuab yeej square. Hauv cov xwm txheej no, peb tuaj yeem siv lwm txoj hauv kev los daws qhov sib npaug plaub npaug.
Puas yog quadratic equation a factoring?
Factoring quadratics is a method of express the quadratic equation ax2 + bx + c=0 as a product of its linear factors as (x - k)(x - h), qhov twg h, k yog cov hauv paus ntawm cov kab zauv quadratic ax2 + bx + c=0. Txoj kev no tseem hu ua txoj kev. ntawm factorization ntawm quadratic equations.
Leej twg daws thawj qhov kev sib npaug plaub npaug?
Cov qauv plaub hau npog tag nrho yog thawj zaug tau los ntawm Simon Stevin hauv 1594. Hauv 1637 René Descartes luam tawm La Géométrie muaj cov xwm txheej tshwj xeeb ntawm cov qauv plaub hau hauv daim ntawv peb paub niaj hnub no..
Leej txiv yog lej?
Archimedes yog leej txiv ntawm kev ua lej vim nws qhov tseem ceebinventions nyob rau hauv lej thiab science. Nws nyob hauv kev pabcuam ntawm Vajntxwv Hiero II ntawm Syracuse. Thaum lub sij hawm ntawd, nws tsim ntau yam inventions. Archimedes tau tsim lub tshuab rub tawm tsim los pab cov neeg tsav nkoj txav cov khoom nce thiab nqis uas hnyav.
