Question

find 25th term of the Ap - 5,-5/2,0,5/2,....

Answer 1

please find the attachment. mark it as brainliest

Answer 2

Hello,

Answer:25 th term is 55.

Solution:

a= -5

$d = \frac{ - 5}{2} + 5 \\ \\ = \frac{ - 5 + 10}{2} \\ \\ = \frac{5}{2}$
Tn =
$a + (n - 1)d$
T25 =
$= - 5 + (25 - 1) \times \frac{5}{2} \\ \\ = - 5 + 24 \times \frac{5}{2} \\ \\ = - 5 + 60 \\ \\ = 55$
25 th term is 55.

Hope it helps you.