Math, asked by piyu1583, 7 months ago

What is the formula of Sn in terms of an ap who will answer first will be brainliest

Answers

Answered by singhanshsingh9336

1

Answer:

sn = n/2 {2a + ( n -1 ) d } or sn = n/2 { a+ l }

Answered by 1105salonikumari

1

Step-by-step explanation:

Sn = n/2(a+l) this is used when last term of Ap is given...

Sn = n/2 [2a+(n-1)d]

It is used in general formula

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