Question

find the 25th term of AP - 5, - 5/2, 0, 5 by 2

Answer 1

First term = -5 .

Common difference = -5/2 - ( -5) = -5/2 + 5 = 5/2 .


$25 ^{th} term = ( - 5) + 24( \frac{5}{2} )$

= -5 + 60

= 55 .

Hope helped!