SOLUTION: find/give the nth rule of 1/3,2/4,3/5,4/6

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 a_n. So 
we write:



Edwin

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