Dab tsi yog qhov rov qab ntawm qhov exponential muaj nuj nqi?
Dab tsi yog qhov rov qab ntawm qhov exponential muaj nuj nqi?

Video: Dab tsi yog qhov rov qab ntawm qhov exponential muaj nuj nqi?

Video: Dab tsi yog qhov rov qab ntawm qhov exponential muaj nuj nqi?
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Cov thim rov qab ntawm exponential muaj nuj nqi y = ibx yog x = ay. Lub logarithmic muaj nuj nqi y = logibx txhais tau tias yog sib npaug rau qhov exponential equation x = ay.

Yog li, dab tsi yog qhov rov qab ntawm lub zog ua haujlwm?

Rov qab Powers thiab Radical Muaj nuj nqi . Cov inverse ntawm lub zog ua haujlwm ntawm exponent n yog nth cag radical muaj nuj nqi . Piv txwv li, lub thim rov qab y = 10x^2 yog y = √(x/10) (tsawg kawg rau qhov zoo ntawm x thiab y).

Ib yam li ntawd, dab tsi yog qhov rov qab ntawm lub log? Qee qhov haujlwm hauv lej muaj qhov paub inverse muaj nuj nqi . Lub log muaj nuj nqi yog ib qho ntawm cov haujlwm no. Peb paub tias qhov rov qab ntawm lub log muaj nuj nqi yog qhov exponential. Yog li, peb paub tias qhov hloov pauv ntawm f(x) = log subb(x) yog f^-1(y) = b^y.

Ua raws li qhov no saib, dab tsi yog qhov cuam tshuam ntawm kev ua haujlwm?

Hauv lej, ib inverse muaj nuj nqi (los yog anti- muaj nuj nqi ) yog a muaj nuj nqi uas "reverses" lwm muaj nuj nqi :if cov muaj nuj nqi f siv rau qhov kev nkag x muab qhov tshwm sim ntawm y, tom qab ntawd siv nws inverse muaj nuj nqi g rau y muab qhov tshwm sim x, thiab vice versa, i.e., f(x) = y yog thiab tsuas yog g(y) = x.

Dab tsi yog qhov opposite ntawm exponential?

Cov rov qab ntawm kev loj hlob yog lwj lub opposite ntawm exponential yog logarithmic.

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