Question

(2/3)^-3 + (2/5)^-2 + (4/11)^-1

Answer 1

Propiedades:
(a/b)^n = (a^n)/(b^n)
(a/b)^-n = (b/a)^n
→ (2/3)^-3 + (2/5)^-2 + (4/11)^-1
= (3/2)³+ (5/2)²+ (11/4)
= (27/8) + (25/4) + (11/4)
= (27/8) + (36/4)
= (27/8) + 9
= (27+72)/8
= 99/8
= 12,375