[問題]gwd5-16

[bryan]

Q16:

For any integer k greater than 1, the symbol k* denotes the product of all the fractions of the form 1/t , where t is an integer between 1 and k, inclusive. What is the value of 5*/4* ?

A. 5

B. 5/4

C. 4/5

D. 1/4

E. 1/5

answer: E

如題∼謝謝

[liwuu]

注意題目是k*代表product of all the fraction of the form(分數的乘積)即可

[marco]

5*/4*=(1/5!)/(1/4!)=1/5

[bryan]

謝謝回應！

[hans0422]

他說 1/t 是 between K and 1
請問 有包括 K 嗎

[StanleyHuang]

題目有寫 "inclusive" 呀...