Question

Find the 10th term of an AP -40,-15,10,35 ??

Answer 1

an=a+(n-1)d
=-40+(10-1)25
= -40+(9)25
=-40+225
=185

Answer 2

HELLO DEAR,

GIVEN THAT :-

A=-40. ,D=-15+40 =25

NOW THE 10TH TERM IS

$a_{10 } = ( - 40 + (10 - 1)25) \\ = > a_{10} = ( - 40 + 225) \\ = > a_{10} = 185$

I HOPE ITS HELP YOU DEAR,

THANKS