Math, asked by bhavanamakar, 1 year ago

If Sn=n(n+1)/2 , find first two tearms of ap

Answers

Answered by IshitaAgarwal05
1

Answer:

The first two terms of AP = 1,2.

Step-by-step explanation:

Sn = n(n+1)/2

A1 = 1(1+1)/2 = 2/2 = 1

S2 = 2(2+1)/2 = 3

But, S2 = A1+A2

=> A2 = 2

Hope it helps.....

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