Question

middle term of the ap is 213 ,205,196,....37

Answer 1

hey!!
________

First find the no. of terms in the A.P. whose d= -8
37=213+ (n-1)-8. From where n comes out be 21.

So there are 21 terms in the A.P.

So, the middle term will be the 11th term which is:-
=213+ (11-1)-8
=213-80
=133

hope help u!!