Question

write in set builder form
( 1/4 , 2/7 , 3/10, 4/13, 5/16)​

Answer 1

{x:x=n/3n+1, 1<=n<=5}

Answer 2

Given :  { 1/4 , 2/7 , 3/10, 4/13, 5/16 }

To Find : write in set builder form

Solution:

 

1/4 = 1/(3(1) + 1)

2/7 = 2/(3(2) + 1)

3/10 = 3/(3(3) + 1)

4/13 = 4/(3(4) + 1)

5/16 = 5/(3(5) + 1)

n /(3n + 1)

set builder form =  { n /(3n + 1) :  n ∈ N  ,  n ≤ 5 }

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