Question

1. First term and common difference of an A.P.
a = 6, d = 3, S = ?
27
п
n
S.
27
S = (0 + (n-1) d]
2
27
[12 + (27-1)]
2
27
XD
2
= 27 X 45 =
​

Answer 1

It doesn't look like a question Sorry But XD,,,,