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k is an integer greater than 1. Column A Column B The number of positive divisors of
k is an integer greater than 1. Column A Column B The number of positive divisors of
admin
2009-05-19
33
问题
k is an integer greater than 1.
Column A Column B
The number of positive divisors of 3k k+1
选项
A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案
C
解析
k是比1大的整数。3的k次方的正因子(positive divisor)个数与(k+1)的比较。
解:本题的正确答案为(C)。根据因子数的求解法则可知,3的k次方的不同正因子个数为k+1个。
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