1) (1-log5(40))(1-log8(40)) 2) (1-log4(32))(1-log8(32)) пожалуйста, решите!. Created by YAMAIIIKA. algebra-ru

1) (1-log5(40))(1-log8(40)) 2) (1-log4(32))(1-log8(32)) пожалуйста, решите!...

YAMAIIIKA @YAMAIIIKA

October 2021 2 8 Report

1) (1-log5(40))(1-log8(40))
2) (1-log4(32))(1-log8(32))
пожалуйста, решите!

alfabetta

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Смотри приложенный файл

5 votes Thanks 9

m11m

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1)
$(1-log_{5}(5*8))(1-log_{8}(8*5))= \\ 
=(1-(log_{5}5+log_{5}8))(1-(log_{8}8+log_{8}5))= \\ 
=(1-1-log_{5}8)(1-1-log_{8}5)=-log_{5}8*(-log_{8}5)= \\ 
=log_{5}8* \frac{1}{log_{5}8}=1$

2)
$(1-log_{4}(4*8))(1-log_{8}(8*4))= \\ 
=(1-(log_{4}4+log_{4}8))(1-(log_{8}8+log_{8}4))= \\ 
=(1-1-log_{4}8)(1-1-log_{8}4)=-log_{4}8*(-log_{8}4)= \\ 
=log_{4}8* \frac{1}{log_{4}8}=1$

6 votes Thanks 5

Answers & Comments

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log(3) x...

reshite pozhalujsta neravenstvo lt3 budu blagodarna sestre mladshej nado ya

pozhalujsta33333 reshite uravnenie 2cos2x 5cosx2sinx0

x 37log2x 372 bolshe ili ravno 223d62e04b480c6321b4b60d82f473c56 77049

3xx6x7 na otrezke 140145

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x 37log2x 372 bolshe ili ravno 2

25 najdite cosbah pozhaaaaaaalujstadc65aaf04090d59d530db44e634282c8 95554

25 najdite cosbah pozhaaaaaaalujsta

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