Question

Gimmie the formula for Sum of n terms and give me its two formulas means for A. P
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Answer 1

$formula \: of \: sum \: of \: n \: terms\\ \\ sn = \: \frac{n}{2} (2a +(n - 1)d$

Hope this helps you buddy ☺️☺️❤️❤️✌️✌️

Answer 2

Heya yaro❤❤

Here is your formula.

formula of sum of n terms

sn= n/2(2a+(n−1)d.

Hope it helps you❤❤