Question

Oblicz: Nie chce mi wyjsc

2 * (0.3) ^ -1 + 4 * 8 ^ 2/3 - 12 * 27 ^ - (1/3)

odp: 18 2/3

Answer 1

2 * (0.3) ^ -1 + 4 * 8 ^ 2/3 - 12 * 27 ^ - (1/3) =

 

2 * (10/3) ^1 + 4 * (∛8 )^2 - 12 * (1/27)^(1/3) =

 

2 * 10/3 + 4 * 2^2 - 12 * ∛(1/27) =20/3 + 4 * 4 - 12 * 1/3 = 20/3 + 16 - 4 = 6 i 2/3 + 12 = 18 i 2/3