X squared yog dab tsi? … ie, x squared sib npaug x muab nws tus kheej. Hauv algebra, x multiplied los ntawm x tuaj yeem sau ua x×xx × x (lossis) x⋅xx ⋅ x (lossis) xx (lossis) x (x) x squared cim yog x2 .
Ntawm no, koj nyeem X² li cas? x^2 yog pronounced "x squared" thiab txhais tias x. 2x yog pronounced "ob x" thiab txhais tau tias 2 zaug x lossis x + x.
x² x² * yog dab tsi? Step-by-step piav qhia: x²+x² = 2x² vam tias nws pab koj.
Tsis tas li ntawd, 3² txhais li cas? 3 Luas = 3 x 3 = 3. 9x² = 4 × 4 = 4. 4 squared = 16 × 5 = 5. 5 x² = 5 × 25 = 6. 6 squared is 6² = 6 × 36 = 7.
Koj hais li cas FX hauv lej?
Koj hais li cas increment?
Koj nyeem cov lej lej yooj yim li cas?
Cov lus teb ntawm X² 9 yog dab tsi? Ib txoj hauv kev los daws cov kab zauv plaub fab x2 = 9 yog rho tawm 9 ntawm ob sab kom tau ib sab sib npaug rau 0: x2 - 9 = 0. Cov lus qhia ntawm sab laug tuaj yeem ua tau: (x + 3)(x - 3) = 0. Siv cov khoom zero factor, koj paub qhov no txhais tau tias x + 3 = 0 lossis x - 3 = 0, yog li x = −3 lossis 3.
X2 pes tsawg
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Thiab cov lus teb ntawm X² 16 yog dab tsi? Yog tias nws yog x^2 = 16, ces x = 4x, 4.
Puas muaj pes tsawg squared?
Lub square ntawm xoom yuav yog xoom vim thaum koj squaring tus lej nws tsuas yog muab tus lej nrog nws tus kheej xwb. 0² = 0 * 0 = 0 vim 0 muab faib los ntawm ib tus lej ib txwm yuav xoom.
Dab tsi yog cov squares ntawm 6? List of Perfect Squares
NUMBER | SQUARE | SQUARE CAG |
---|---|---|
3 | 9 | 1.732 |
4 | 16 | 2.000 |
5 | 25 | 2.236 |
6 | 36 | 2.449 |
• Kaum Ib Hlis 17, 2021
Dab tsi yog square thiab cube?
Cov lej square thiab lub voos xwmfab yog cov cim tshwj xeeb ntawm cov lej uas txuas nrog cov cuab yeej ntawm cov duab uas lawv muaj npe tom qab. Ib tus lej square muaj feem rau thaj tsam ntawm ib lub xwmfab. Ib lub voos xwmfab muaj feem rau qhov ntim ntawm lub voos xwmfab.
Koj nyeem FX li cas?
Lub cim y = f(x) y = f (x) txhais ib txoj haujlwm hu ua f. Qhov no yog nyeem raws li "y yog lub luag haujlwm ntawm x." Tsab ntawv x sawv cev rau tus nqi nkag, lossis tus hloov pauv ywj pheej.
Yuav ua li cas koj xam tus nqi ntawm FX?
FX calculus yog dab tsi? f '(x) tsuas yog txhais tau hais tias qhov kev ua haujlwm 'f' nrog rau qhov sib txawv 'x'. Hauv cov ntsiab lus layman, f'(x) yog tus tus nqi hloov ntawm kev ua haujlwm 'f' nrog rau kev hloov hauv cov variable 'x'. Nws kuj yog siv los piav txog txoj kab nqes ntawm tangent ntawm kev ua haujlwm f. Cia siab tias cov lus teb yuav pab tau.
Lub ntsiab lus ntawm ∆ yog dab tsi?
Uppercase delta (Δ) feem ntau txhais tau tias "hloov" lossis "kev hloov” hauv lej. Xav txog ib qho piv txwv, uas qhov sib txawv x sawv cev rau kev txav ntawm ib qho khoom.
Koj hais lej cim li cas?
Koj hais decrement li cas?
Koj ua lej lej li cas? Cov mis yog qhov tseeb lossis txoj cai uas siv cov cim lej. Nws feem ntau yuav muaj: qhov sib npaug kos npe (=) ob lossis ntau qhov sib txawv (x, y, thiab lwm yam) uas sawv rau qhov tseem ceeb uas peb tsis tau paub.
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Piv txwv: Cov mis rau kev nrhiav qhov ntim ntawm lub thawv yog:
x = 2y – 7 | Formula (x thiab y) |
---|---|
a 2 + b 2 =c 2 | Formula (hais txog a, b thiab c) |
Koj nyeem ( ) ua lej li cas?
Koj nyeem lej cim li cas?