Question

the igre
520
5, 8, 11 find Sot
Find the sum of nth terens of the
given AP 3 , 7,19 find 520
1.99 693 find sin​

Answer 1

Answer:

$♤♡◇♧■ANSWER■♤♡◇♧$

Given A.P. is 3,7,11,15,....

Here a=3,d=4

We know Tn=a+(n−1)d

=3+(n−1)4

=4n−1