Math, asked by AjeyK, 5 months ago

To find the sum in an AP when the first term and last knowing is

Answers

Answered by rachnak2005

1

Answer:

an=a+(n-1)d

Step-by-step explanation:

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Answered by sreeja2007

0

Sn = n/2(a+l)

where "a" is first term

"l" is last term

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