Question

24√3 supra 3 + 30√3 supra 15 - 42√3 supra 21 + 36√3 supra 3

Answer 1

Aducem la acelasi numitor care este 105

(35x24√3+7x30√3-5x42√3+35x36√3)/105=
(840√3+210√3-210√3+1260√30)/105=
2100√3/105=20√3