Réponses

  • Utilisateur Brainly
2014-03-23T08:16:00+01:00
\sqrt{2000} 
=√(5*400)=20√5

\sqrt{3645}

=√(5*729)=27√5

\sqrt{1458}  

=√(2*729)=27√2

\sqrt{6144}  

=√(6*1024)=32√6

\sqrt{25920}
=√(5*5184)=72√5





c nestv pas inverse
Non, c'est évident !......
Meilleure réponse !
  • Utilisateur Brainly
2014-03-23T08:21:52+01:00
√2000 = V20*√100 = 10V20

√3645 = √9*√81*√5 = 3*9V5 = 27V5

√1458 = √9*√18*√9 = 9*√9√2 = 9*3√2 = 27√2

√6144 = √16*√8*√48 = 4√4*√2*√8√6 = 32√6

√25920 = √81*√320 = 9*V16*V20 = 36V20 = 72V5