Odpowiedzi

2009-10-29T14:06:16+01:00
Oblicz
(∛49 )^1,5 = ( 49^1/3)^3/2 = 49^1/2 = √49 = 7
(∛√8)^2 = {[(8)^1/2 ]^1/3}^2= 8^1/3 =∛ 8 = 2
√∛9*∛9 = [(9)^1/3]^1/2* 9^1/3 = 9^1/6*9^1/3= 9^1/2 = √ 9 = 3
7√7 * ⁴√7 i to wszystko dzielone przez 7^3/4
[7√7 * ⁴√7 ] : [7^3/4] = [7^1/2 x 7 x 71/4 ]: [7^3/4] =
7^7/4 -7^3/4 = 7 ¹ = 7