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Mathematics
Mathematics
Problem
In an AP, if
a
=
−
7.2
a = -7.2
a
=
−
7.2
,
d
=
3.6
d = 3.6
d
=
3.6
,
a
n
=
7.2
a_n = 7.2
a
n
=
7.2
, then
n
n
n
is equal to (a) 1 (b) 3 (c) 4 (d) 5
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