Question

2) B= {1,1/2,1/3,1/4, 1/5) Write in the set builder form
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Answer 1

Answer:

B= {1,1/2,1/3,1/4, 1/5)

Here the denominators is a set of natural numbers and increases linearly

Therefore set builder form of set B

B={x:x=1/n,n is element of natural number that n is equal to 1,2,3,4 and 5}