Question

2.Calculati,scriind rezultatul sub forma unei puteri: a) (4/3)totul la 5 x(4/3)totu la 7,b) ( 3/11) totu la 11 :(3/11) totu la 5: parateza patrata(4/7) totu la 4 parateza patrata totu la 5 repede va rog dau 100 puncte

Answer 1

Răspuns:

(4/3)^5 x (4/3)^7 = (4/3)^(5+7) = (4/3)^12

(3/11)^11 : (3/11)^5 : [ (4/7)^4]5  = (3/11)^(11-4)  :  (4/7)^(4x5) = (3/11)^7 : (4/7)^20