Ребятаааааа,выручайте. Created by Anaastasia26. algebra-ru

Ребятаааааа,выручайте...

Anaastasia26 @Anaastasia26

November 2021 2 6 Report

Ребятаааааа,выручайте

Беня2018 А) 8√3-5√(4*3)+4√(25*3)=8√3-5*2√3)+4*5√3=8√3-10√3+20√3=(8-10+20)√3=18√3
б) (2√7)²+2(√7)*3+3²=28+6√7+9=37+6√7

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zinaidazina А)
8√3 -5√12 + 4√75 =
= 8√3 - 5√4 ·√3 + 4√25 · √3 =
= 8√3 - 5·2√3 +4·5√3 =
= 8√3 - 10√3 + 20√3 = 18√3

б)
(2√7 +3)² = 4√49 + 2·2√7 ·3 + 9 = 4·7 + 12√7 + 9 = 37 + 12√7

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