Find the middle term of tge ap 6 , 13,20,..........,216
Answers
Answered by
4
a = 6, d = 7,
an = 6+ (n-1) 7 = 216
n = 31
Therefore, middle term is 16.
an = 6+ (n-1) 7 = 216
n = 31
Therefore, middle term is 16.
Answered by
8
1st term= a = 6
Common difference= d = 7
Last Term = Tn = 216
Now,
Tn = a+(n-1)d
216=6+(n-1)7
210=7n-7
217=7n
so,n =31
Now, for the Middle Term of the AP.
Since n is in odd.
Middle Term = n+1/2
= 31+1/2
= 32/2
=16 is the middle term.
Common difference= d = 7
Last Term = Tn = 216
Now,
Tn = a+(n-1)d
216=6+(n-1)7
210=7n-7
217=7n
so,n =31
Now, for the Middle Term of the AP.
Since n is in odd.
Middle Term = n+1/2
= 31+1/2
= 32/2
=16 is the middle term.
Similar questions