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Mathematics
Problem
Identify the conjugate of
3
+
7
3+\sqrt{7}
3
+
7
. a)
−
3
−
7
-3-\sqrt{7}
−
3
−
7
b)
3
−
7
3-\sqrt{7}
3
−
7
c)
7
−
3
\sqrt{7}-3
7
−
3
d)
3
+
7
3+\sqrt{7}
3
+
7
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