If the sum of the 5 numbers in an ap is 40 find the middle term.
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let the series be
(a-2d)+(a-d)+(a)+(a+d)+(a+2d) = 40
5a=40
a=8.
which is middle term
(a-2d)+(a-d)+(a)+(a+d)+(a+2d) = 40
5a=40
a=8.
which is middle term
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