If the nth term of an AP be (2n - 1), then the sum of its first n term

1.	If the nth term of an AP be (2n - 1), then the sum of its first n terms will be:
A.	n2 - 1
B.	(2n - 1)2
C.	n2
D.	n2 + 1
Answer» D. n2 + 1

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If the nth term of an AP be (2n - 1), then the sum of its first n terms will be:

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