If I\'m the term of an ap is 2n + 1 what is the sum of its first 3 ter

1.	If I\'m the term of an ap is 2n + 1 what is the sum of its first 3 terms
Answer» n = 1 2(1)+1=3 n=2 2(2)+1=5 a=3 d=2n=3Ab sum vala formula laga

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