10 класс модульные уравнения. |x⁵ - 6х² + 9х - 6| = |x⁵ - 2x³ + 6x² - 13x +6|. нужно.

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roxolanavarLana

Алгебра

4,7(8 оценок)

Если модули равны, значит выражения "равны"(почти) друг другу и отличаться могут только x⁵ - 6х² + 9х - 6 = +-(x⁵ - 2x³ + 6x² - 13x +6)или x⁵ - 6х² + 9х - 6 = x⁵ - 2x³ + 6x² - 13x +6 или x⁵ - 6х² + 9х - 6 = -(x⁵ - 2x³ + 6x² - 13x +6) или - 6х² + 9х - 6 + 2x³ - 6x² + 13x - 6 = 0 x³ - 6х² + 11х - 6 = 0 > x₁ = 1 (легко проверяется)) x³ - 6х² + 11х - 6 = (x - 1)*(x² - 5x + 6) = 0 > x₂ = 2 x₃ = 3 или x⁵ - 6х² + 9х - 6 + x⁵ - 2x³ + 6x² - 13x + 6 = 0 2x⁵ - 2x³ - 4x = 0 х(x⁴ - x² - 2) = 0 > x₁ = 0 x₂ = -√2 x₃ = √2 в скобках биквадратное уравнение х² = 2 х² ≠ -1

vadimminaev228

Алгебра

4,6(65 оценок)

Объяснение:

WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.WRITING Choose ONE of the topics and write. Topic 1: You are a charitable volunteer in your city and always give a hand to those who are in need: clean the apartments of the disabled people; bring food to animal refuges to feed homeless animals; organise campaigns to raise money and collect toys and clothes for the local orphanages. Your new idea is to write a formal letter to the local mayor to ask him/her for any help he/she can provide to help your charity organisation. Include in your letter the following information: • The title of your charity organisation: • What you have done/are doing aiready; • How you would like the mayor to help your charity organisation. Use appropriate style and examples in your letter.

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