Объяснение:
x=0,01
(5+0,8х)/(х²+5х) + 1/(5х+25)=
=(5+0,8х)/(х(х+5)) + 1/(5(х+5))=
=(5(5+0,8х)+х)/(5х(х+5))=
=(25+4x+x)/(5x(x+5))=(25+5x)/(5x(x+5))=
=(5(5+x))/(5x(x+5))=1/x=1/0,01=100
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Объяснение:
x=0,01
(5+0,8х)/(х²+5х) + 1/(5х+25)=
=(5+0,8х)/(х(х+5)) + 1/(5(х+5))=
=(5(5+0,8х)+х)/(5х(х+5))=
=(25+4x+x)/(5x(x+5))=(25+5x)/(5x(x+5))=
=(5(5+x))/(5x(x+5))=1/x=1/0,01=100