Puteri cu exponent rational

Question 1

x > 0

Answer 1

(x’n) - sirul aproximarilor prin lipsa de ordin n
(x la n n) - sirul aproximarilor prin adaos de ordin n
daca a > 1 => a la x’n < a la x < a la xnn

Question 2

x < 0

Answer 2

a > 0

a la x => 1/a la x

Question 3

x = 0

Answer 3

a la 0 = 1

Question 4

Proprietati puterilor cue exp rat

Answer 4

a > 1 , a la x < a la y => x < y
a apartine (0, 1), a la x < a la y => x > y