Math, asked by prathapsandhya, 5 months ago

write the formula to find the sum of the first n terms of Arithmetic Progression whose first term is a and the last term is an

Answers

Answered by aaryanrajgond0106

1

Answer:

Sn=n/2{2a+{n-1}d}

Step-by-step explanation:

Mark me brainliest.

Answered by siddhi00735

4

Answer:

Sn= n/2{2a(n-1)} d

Step-by-step explanation:

hope this helps ❤️

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