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Mathematics
Problem
If
a
,
b
,
c
a, b, c
a
,
b
,
c
are in AP,
a
,
b
,
d
a, b, d
a
,
b
,
d
are in GP then
a
,
a
−
b
,
d
−
c
a, a-b, d-c
a
,
a
−
b
,
d
−
c
are in (a) AP (b) GP (c) HP (d) none of these
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