Question

the set builder form of {1,3,5,7,9,11,13}

Answer 1

HEY MATE HERE'S YOUR ANSWER

A = {x:x belongs to N and x=2n+1}
here N is the set of all the natural numbers. n is consecutive natural numbers staring from 1.

HOPE THIS HELPS YOU

HAVE A GREAT DAY

Answer 2

I would recommend the first one , as it is looking quite mathematic :)
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If I am wrong please let me know,
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And thank you for your kind and warm question that had made my old concepts clear :)
It's just like revision hmm
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Thanks


#☮️ PEACE