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Mathematics
Mathematics
Problem
If the three numbers
x
x
x
,
2
x
+
3
2x+3
2
x
+
3
,
5
x
−
9
5x-9
5
x
−
9
are in arithmetic progression, then the value of
x
x
x
is a)
6
6
6
b)
4.5
4.5
4.5
c)
15
2
\dfrac{15}{2}
2
15
d)
3
3
3
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