Question

25 points!!

$in \: an \: a.p \: the \: sum \: of \: first \: n \: term \: is \: \frac{3n {}^{2} }{2} + \frac{13n}{2} . \: find \: the \: common \: diffence \: and \: hence \: find \: the \: 25th \: term$

Answer 1

hey buddy⚜⚜⚜


solution⭕⭕⭕⭕


a25= 80,

d= 3

☑☑.

Answer 2

hope it helps mate

d = 3