Question

find the value of middle term of an ap -6,-2,2..,58​

Answer 1

Answer:

26

Step-by-step explanation:

toatl terms in ap

an= a+(n-1)d

58=-6+(4-1)d

58=-6+4n-4

68=4n

n=17

so, middle term= (17+1)/2 th term = 9

9th term= a+(n-1)*d

=-6+(9-1)*4

=26