Question

Calcule o valor de x= (27^1/3+64^1/2-8^2/3+4^1/2)^1/2

Answer 1

27¹/³ =∛3³ = 3
64¹/² =√64 =√2² * √2² *√2² = 2 * 2 * 2 = 8 
8²/³ =( ∛8)² = (∛2³)² =∛2⁶ =    ∛2² * ∛2² * ∛2²  = 2 * 2 * 2 = 8
4¹/² =√4 = √2² = 2 
reescrevendo
(3 + 8 - 8 + 2 )¹/² =
( 5 )¹/²  ou   V5¹
x = V5 *****