Question 974476: find/give the nth rule of
1/3,2/4,3/5,4/6
Answer by Edwin McCravy(20056)   (Show Source):
You can put this solution on YOUR website! 1/3,2/4,3/5,4/6
The variable n is what goes 1,2,3,4,...
The numerators go 1,2,3,4,...
So the numerators of the fractions are represented by the variable n.
The denominators go 3,4,5,6,...
Each denominator is 2 more than the numerator it is underneath,
so the denominators are represented by the variable expression n+2.
The nth term is represented by variable quantity an. So
we write:
  
Edwin
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