For any integer k greater than 1, the symbol $${k}^\ast$$ denotes the product of all the fractions of the form $$\frac1 t$$, where t is an integer between 1 and k, inclusive. What is the value of $$\frac{{5}^\ast} {{4}^\ast}$$?
-
A5
-
B$$\frac{5}{4}$$
-
C$$\frac{4}{5}$$
-
D$$\frac{1}{4}$$
-
E$$\frac{1}{5}$$
显示答案
正确答案: E