Video: Kuv nyob hauv Algebra 2 yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lub nraub qaum ntawm tus lej tshiab no yog qhov xav txog chav tsev, lossis tus lej i. Cov cuab yeej thib ob qhia peb tias tus lej kuv yog qhov kev daws teeb meem rau qhov sib npaug x 2 = -1 x^ 2 = -1 x 2 = − 1x, luas, luas, luas, minus, 1.
Hais txog qhov no, kuv txhais li cas hauv Algebra 2?
Imaginary-ntau. Tus lej xav txog yog ib qho uas thaum squared muab qhov tsis zoo. Feem ntau, nrog cov lej tiag, thaum koj square lawv, koj ib txwm tau txais txiaj ntsig zoo. Piv txwv li. 22 = 4.
Tom qab ntawd, lo lus nug yog, dab tsi yog cov cai rau kuv hauv algebra? Nws square yog qhov tsis zoo. Tus lej complex kuv yog purely algebraic . Qhov ntawd yog, peb hu nws "tus lej" vim tias nws yuav ua raws txhua tus txoj cai peb ib txwm koom nrog tus lej. Peb tuaj yeem ntxiv nws, rho tawm, muab faib, thiab lwm yam.
COMPLEX. LUB SIJ HAWM. NUMBERS.
| i0 | = | 1 |
|---|---|---|
| i1 | = | i |
| i2 | = | −1 |
| i3 | = | −1· i = -i |
| i4 | = | -i·i = -i2 = −(−1) = 1 |
kuv sib npaug li cas hauv lej?
Unit Imaginary Number Qhov "unit" Imaginary Number (the sib npaug ntawm 1 rau cov lej tiag) yog √(−1) (lub hauv paus square ntawm rho tawm ib). Hauv lej peb siv kuv (rau kev xav) tab sis hauv electronics lawv siv j (vim "i" twb txhais tau tias tam sim no, thiab tsab ntawv tom ntej tom qab kuv yog j).
2i yog dab tsi?
2 ib i yog tus lej xav txog vim nws muaj daim ntawv 'bi' Nco ntsoov, 'i' yog qhov xav txog chav tsev thiab sib npaug rau lub hauv paus square ntawm -1.
Pom zoo:
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