Math, asked by shahid1949, 1 year ago

what is snth formula clearly explain

Answers

Answered by chaitanyatakuli0888

0

Answer:

Step-by-step explanation:

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

OR

Sn=n/2[a+an]

OR

Sn=n/2[a+l]

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