Question

write the formula to find the sum of n terms which are in AP and represent each letter in your own words

Answer 1

Here is your answer ⤵️⤵️⤵️⤵️⤵️⤵️⤵️

AP- a1, a2, a3, a4,,............. an

Let a be the first term of the AP
And d be the common difference
n be the nth term

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



HOPE IT HELPS YOU !!!!!

Answer 2

${hey \: mate \: here \: is \: your \: answer}$
The sum of n th term => Sn = n/2(2a+(n-1) d
where, n is the term
a is the first term
d is the difference (a2-a1)