Помогите!!! 3^(x^2-4x-0,5)=81 корень из 3. Created by Ksenon234. algebra-ru

Помогите!!! 3^(x^2-4x-0,5)=81 корень из 3...

Ksenon234 @Ksenon234

July 2022 1 18 Report

Помогите!!!
3^(x^2-4x-0,5)=81 корень из 3

Answers & Comments

nafanya2014

Verified answer

$3^{x^2-4x-0,5}=81\cdot \sqrt{3} \\ \\ 3^{x^2-4x-0,5}=3^4\cdot 3^{ \frac{1}{2}} \\ \\ 3^{x^2-4x-0,5}=3^{4,5}$

x²-4x-0,5=4,5

x²-4x-5=0

D=(-4)²-4·(-5)=16+20=36

x₁=(4-6)/2= - 1 или х₂=(4+6)/2=5

Ответ. х= - 1 или х=5

sintaksicheskij razbor predlozheniyavskore posle voshodanabezhalatuchaibryznulk

Answer

Ksenon234 July 2022 | 0 Ответы

temneet eto polnoe ili nepolnoe predlozhenie

Answer

Ksenon234 July 2022 | 0 Ответы

v treugolnike abc ugol a20 gradusam ugol b40 gradusam ab12 sm najdite radbbc70d4c68e0333b6bc4f0984bd8b7f2 41264

Answer

Ksenon234 July 2022 | 0 Ответы

pomogite pozhalujsta mehanicheskoe vozdejstvie na vodnuyu sredu obitaniya primery

Answer

Ksenon234 July 2022 | 0 Ответы

najdite perimetr pryamougolnika vpisannogo v okruzhnost esli radius 75 sm a st

Answer

Answers & Comments

Verified answer

sintaksicheskij razbor predlozheniyavskore posle voshodanabezhalatuchaibryznulk

temneet eto polnoe ili nepolnoe predlozhenie

v treugolnike abc ugol a20 gradusam ugol b40 gradusam ab12 sm najdite radbbc70d4c68e0333b6bc4f0984bd8b7f2 41264

raskrojte skobki upotreblyaya glagoly v past indefinite ili past continuous 11

pomogite pozhalujsta s 15 21 26 59 ballov za reshenie

log81 a...

3log27 8...

pozhalujsta pomogiten2o5xnh4no3hno3xnh4clchto nado vmesto iksov podstavit

pomogite pozhalujsta mehanicheskoe vozdejstvie na vodnuyu sredu obitaniya primery

najdite perimetr pryamougolnika vpisannogo v okruzhnost esli radius 75 sm a st

рекомендуемые вопросы

Helpful Links

Helpful Social