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Unikorn315
@Unikorn315
June 2023
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Первый вариант пожалуйста помогите
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vltskayaa
Verified answer
a)(3a+b)^2
(3a)^2+2*3ab+b^2
отв:9а^2+6ab+b^2
б)(3x^2-5y)^2
(3x^2)^2-2*3x^2*5y+(5y)^2
9x^4-30x^2y+25y^2
в)a^2/4+2ab/6+b^2/9
a^2/4+ab/3+b^2/9
г)5^2-2*5a^2b+(a^2b)^2
25-10a^2b+a^4b^2
удачи
2 votes
Thanks 1
Unikorn315
спасибо можете еще на акке есть вопрос
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Answers & Comments
Verified answer
a)(3a+b)^2(3a)^2+2*3ab+b^2
отв:9а^2+6ab+b^2
б)(3x^2-5y)^2
(3x^2)^2-2*3x^2*5y+(5y)^2
9x^4-30x^2y+25y^2
в)a^2/4+2ab/6+b^2/9
a^2/4+ab/3+b^2/9
г)5^2-2*5a^2b+(a^2b)^2
25-10a^2b+a^4b^2
удачи