Предмет: Алгебра, автор: yjdjrepytwr123

Помогите пожалуйста, очень срочно надо, буду благодарна.
157 (1), 162(1).

Приложения:

Ответы

Автор ответа: NeZeRAvix
0
157
 sqrt{x^2+2}+ sqrt{x^3-x^2}=0 \  sqrt{x^2+2}=- sqrt{x^3-x^2}   \  \  sqrt{x^2+2}   =0 \ x^2+2=0
нет решений
⇒ 
уравнение не имеет решений

Ответ: нет решений

162
графики на прикрепленной картинке

Ответ: нет решений
Приложения:
Похожие вопросы
Предмет: Английский язык, автор: Аноним
Complete the gaps in the text with the word which suits the definition. The first Letter oF the word is given.
Saving the Amazon Together
A team oF experts has travelled into Brazil’s Amazon rainForest to mark the borders oF a new national park called Tumucumaque. It covers an 1. e... (extremely large in size or amount) area: 3.8 million hectares and is home to many rare 2. s... (a plant or animal group whose members all have similar general features) The team includes Christoph Faster, a Brazilian government park warden. Claudio Maretti From the World WildliFe Fund and Jawapuku Wayapi, a member of the 3. t... (a group of people of the same race, and with the same customs, language, religion, etc., living in a particular area and often having one leader known as a chief) living on land near the park. They want to establish 4. c... (the act of working together with someone) with native people in neighbouring areas to help protect the park. By giving them boats and Fuel, they hope the people will help to 5. p... (to go around the different parts of an area at regular times to check that there is no trouble or danger) the park’s borders, the team also want to stop 6. i... (not allowed by the law) gold mining. This erodes the soil and creates silts in rivers. In addition the 7. m... (a chemical element that is a heavy, silver-coloured metal, liquid at normal temperature) used to extract the gold can poison 8. w... (animals and plants growing in natural conditions) and damage the health oF the 9 .1... (relatingto people or things that have always been in the place where they are) people. The team have Found a mine which has been operating illegally For 20 years although it is not very 10. p... (making a profit).