請問這樣的指數如何比大小?

2016-01-31 7:58 am
更新1:

謝謝

回答 (1)

2016-01-31 8:53 am
✔ 最佳答案
a = 3.3¹² - 3.3¹¹    b = 3.3¹³ - 3.3¹²    c = (3.3¹³ - 3.3¹¹)/2
a = 3.3¹¹(3.3 - 1)    b = 3.3¹²(3.3 - 1)     c = 3.3¹¹(3.3² - 1)/2
a = 2.3×3.3¹¹     b = 2.3×3.3×3.3¹¹   c = 4.945×3.3¹¹
             b = 7.59×3.3¹¹
∴ b > c > a


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