For how many integers pair (x,y) satisfies the result
(1/x)+((1/y)=1/14
Pick one:
A) a) 12  B) b) 6  C) c) 10  D) d) 16  E) e) 18
It seems that the accepted answer is wrong, according to WolframAlpha. The answer should be 28, which isn't even listed as a selectable answer.   e) 18
<result>E</result>
For how many integers pair (x,y) satisfies the result
(1/x)+((1/y)=1/14