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2012年03月16日
考试类型: Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
What is the largest possible integer value of 
for which 
divides 
?
A. 2
B. 7
C. 9
D. 10
E. 14
|
正确答案:E 解析: Choice (E) is correct. Since |
, it follows that 
. Applying the laws of exponents to the preceding equality yields 
. From this representation of 
, it follows that 
divides 
and that 
is the largest value of 
for which 
divides 
.