Question

Cum rezolv punctele f) ; g) ; h) ??? de la ex 29

Answer 1

f) 18+7-5radical3 +2radical3= 25-3radical3
h) 3radical5-3radical3 +5radical3+5radical5= 3radical5+5radical5-3radical3+5radical3= 8radical5+2radical3
rezultatul
$8 \sqrt{5 } + 2 \sqrt{3}$
g)2radical13+7-7+3radical13= 2radical13+3radical13+7-7= 5radical13+0= 5radical13