Предмет: Алгебра, автор: dianakox

Выполните действия:
(4a+b²)(2a+b)(2a-b)


Разложите на множетели:
36x^4y²-169c^4

(x+1)²-(x-1)²

Ответы

Автор ответа: Kixcertborn2
0
(4a+b^2)(2a+b)(2a-b)=(4a+b^2)(4a^2-b^2)= =16a^3-4ab^2+4a^2b^2-b^4
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36x^4y^2-169c^4=(6x^2y-13c^2)(6x^2y+13c^2)
==============
(x+1)^2-(x-1)^2=(x+1)-(x-1))*(x+1+x+1)= =(x+1-x+1)*2x=2*2x=4x

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