✔ 最佳答案
Method 1 :
x^15 = 32768
x^15 = 2^15
x = 2
Method 2 :
x^15 = 32768
(x^15)^(1/15) = (32768)^(1/15)
x = (2^15)^(1/15)
x = 2
Method 3 :
x^15 = 32768
log(x^15) = log(32768)
15log(x) = log(32768)
log(x) = (1/15)log(32768)
x = 10^[(1/15)log(32768)]
x = 2