Решите выражение (1-а)(1-а^2)+(1+а)(1+а^2)-2а(1+а)(а-1). Created by Juliiett. algebra-ru

Решите выражение (1-а)(1-а^2)+(1+а)(1+а^2)-2а(1+а)(а-1)...

August 2021 1 20 Report

Решите выражение
(1-а)(1-а^2)+(1+а)(1+а^2)-2а(1+а)(а-1)

Answers & Comments

diks2004 $(1-a)(1-a^2)+(1+a)(1+a^2)-2a(1+a)(a-1)=\\
=(1-a)(1-a)(1+a)+(1+a)(1+a^2)+2a(1+a)(1-a)=\\
=(1+a)[(1-a)^2+2a(1-a)+(1+a^2)]=\\
=(1+a)(1-2a+a^2+2a-2a^2+1+a^2)=\\
=2(1+a)$

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Answers & Comments

podberite podhodyashie po znacheniyu russkie sootvetstviya k kazahskim poslovicam i p

reshite uravnenie 3x1 2410

po kakomu principu obrazovany ryady nazovite obshee dlya privedyonnyh nizhe terminov

v ravnobedrennom treugolnike avs osnovanie ravno 12 sma vysota provedyonnaya k n

najdite molekulyarnuyu formulu veshestva soderzhavshego po masse 828 ugleroda i

najti vse pary naturalnyh chisel h i u udovletvoryayushih uravneniyu h2 u2 77

esli pervyj avtomobilist sdelaet 4 rejsa a vtoroj 3 rejsa to oni vmeste pere84bb7c34cb2d9784a8205fb114b669bb 5422

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nuzhno napisat sochinenie na temu zachem nuzhno idti na vybory

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