If a is a positive integer, then 5^a+1^a =?
Pick one:  A) Cannot be determined  B) 1+(5^a)  C) 2a  D) 2a^(a + 1)  E) None
5^a+1^a=5^a+1   Answer is option 1+(5^a)
<result>B</result>
If a is a positive integer, then 5^a+1^a =?