Сократите дробь 28^2n+1 __________ 2^n+2 * 7^n+1 20 баллов))). Created by olysavinova. algebra-ru

Сократите дробь 28^2n+1 __________ 2^n+2 * 7^n+1 20 баллов)))...

olysavinova @olysavinova

October 2021 1 27 Report

Сократите дробь

28^2n+1
__________
2^n+2 * 7^n+1

20 баллов)))

Answers & Comments

Universalka

Verified answer

$\frac{28^{2n+1} }{2^{n+2}*7^{n+1}}=\frac{(4*7)^{2n+1} }{2^{n+2}*7^{n+1}}=\frac{(2^{2})^{2n+1}*7^{2n+1}}{2^{n+2}*7^{n+1}}=\frac{2^{4n+2}*7^{2n+1}}{2^{n+2}*7^{n+1}} =2^{4n+2-n-2}*7^{2n+1-n-1}=2^{3n}*7^{n}=8^{n}*7^{n}=56^{n}$

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Answers & Comments

Verified answer

3 v treugolnike avs ugol a raven 50gr as9sm av8sm sv15sm v treugolnik

4-x^2)=0...

9 odin i tot zhe predlog s v potoke rechi mozhet zvuchat po raznomu kak imenno p

pomogite eto s audirovaniem ne mogu vstavit dayu 30 ballov listen to the

foneticheskij razbor i transkripciya slov lyuklyodles spasibo

v sankt peterburgskom planetarii imeetsya dejstvuyushij mayatnik fuko mayatnik ispo

sinx...

3x pomogite981ba444f2ec637db268c9a82113d08e 29849

(3x-1)=-1...

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