Answers

2016-02-04T00:16:39+05:30
A=10,d=-3,An=-62,

An=a+(n-1)d
-62 =10+(n-1)-3
= 10-3n+3
3n=13+62
n=75/3=25
n=25
(muddle term )a13
a13=a+12d =10+(12*-3)=
10-36 =-26
ie, middle term is -26.
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