(x^2+2x)(-4-x^2)≥15(-4-x^2) решите прошу пожалуйстаа. Created by Ele0000. matematika-ru

(x^2+2x)(-4-x^2)≥15(-4-x^2) решите прошу пожалуйстаа...

October 2021 1 9 Report

(x^2+2x)(-4-x^2)≥15(-4-x^2)
решите прошу пожалуйстаа

Answers & Comments

Support001 $(x^2+2x)(-4-x^2) \geq 15(-4-x^2) \\ -(x^2+2x)(x^2+4)+15(x^2+4) \geq 0 \\ (x^2+4)(-x^2-2x+15) \geq 0 \\ -x^2-2x+15=0; x^2+2x-15=0 \\ D=4+60=64; x_{1,2} = \frac{-2б8}{2} = -5; 3 \\ x \in [-5;3]$

1 votes Thanks 1

3 i 4 pomogite pozhalujsta92bd7581d074e5fc9f193221af01804c 80906

Answer

Ele0000 August 2022 | 0 Ответы

po dvum beskonechno dlinnym pryamym parallelnym provodam nahodyashimsya na rasstoyan

Answer

Ele0000 August 2022 | 0 Ответы

imeyutsya dve pruzhiny s raznymi koefficientami zhestkosti k1gtk2 nad kakoj pruzh5257804a1cdb2fe66020b5b89554beeb 32312

Answer

Ele0000 August 2022 | 0 Ответы

skolko shelochi v 5 nom rastvore gidroksida natriya

Answer

Ele0000 August 2022 | 0 Ответы

skolko soli v 10 nom rastvore hlorida natriya

Answer

Ele0000 July 2022 | 0 Ответы

imeyutsya dve pruzhiny s raznymi koefficientami zhestkosti k1gtk2 nad kakoj pruzh

Answer

Ele0000 July 2022 | 0 Ответы

dva gruzovika odnoj marki dvizhutsya s odinakovoj skorostyu prichem pervyj pusto

Answer

Ele0000 July 2022 | 0 Ответы

u teplovoj mashiny karno temperatura nagrevatelya v 16 raza bolshe temperatury ho

Answer

Ele0000 July 2022 | 0 Ответы

pomogite reshit 126

Answer

Ele0000 July 2022 | 0 Ответы

pomogite s vremenami267e62ecd474a7800d79e934d00a3ffe 51531

Answer

Answers & Comments

3 i 4 pomogite pozhalujsta92bd7581d074e5fc9f193221af01804c 80906

po dvum beskonechno dlinnym pryamym parallelnym provodam nahodyashimsya na rasstoyan

imeyutsya dve pruzhiny s raznymi koefficientami zhestkosti k1gtk2 nad kakoj pruzh5257804a1cdb2fe66020b5b89554beeb 32312

skolko shelochi v 5 nom rastvore gidroksida natriya

skolko soli v 10 nom rastvore hlorida natriya

imeyutsya dve pruzhiny s raznymi koefficientami zhestkosti k1gtk2 nad kakoj pruzh

dva gruzovika odnoj marki dvizhutsya s odinakovoj skorostyu prichem pervyj pusto

u teplovoj mashiny karno temperatura nagrevatelya v 16 raza bolshe temperatury ho

pomogite reshit 126

pomogite s vremenami267e62ecd474a7800d79e934d00a3ffe 51531

рекомендуемые вопросы

Helpful Links

Helpful Social