Избавтесь от иррациональности в знаменателе отношения 7/3√21. Created by rezdar01. algebra-ru

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rezdar01 @rezdar01

October 2021 1 8 Report

Избавтесь от иррациональности в знаменателе отношения 7/3√21

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90misha90

Verified answer

$\frac{7}{ 3\sqrt{21} } = \frac{7}{ 3\sqrt{21} }* \frac{ \sqrt{21} }{ \sqrt{21} } = \frac{7 \sqrt{21} }{3*( \sqrt{21} )^2} = \frac{7 \sqrt{21} }{3*21} = \frac{ \sqrt{21} }{9}$

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Answers & Comments

Verified answer

razlozhite na mnozhiteli x5 x35x25x

razlozhite na neprevodimye mnozhiteli x6 4x34

proshu pomogite moya sudba v vashih rukah tochka m prinadlezhit storone ac treugol

iz 6 otrezkov dlinnoj 8 sm 12 sm 16sm 18 sm 24sm i 36sm byli obrazovanny dva pod

reshite na mnozhestvo r uravnenie x5x2 34x 3x 5

321219586ddd4047f40a5f6e30294c163cc 91970

obe chasti neravenstva 7gt6 umnozhit na a v chetvyortoj stepeni a prinadlezhit r

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