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Mathematics
Mathematics
Problem
If the equation
x
2
+
2
a
x
=
4
x
−
4
a
−
13
\sqrt{x^2+2ax} = \sqrt{4x-4a-13}
x
2
+
2
a
x
=
4
x
−
4
a
−
13
has only one solution, then the number of integral values of
a
a
a
is - - -
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