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Mathematics
Problem
Identify the conjugate of
5
−
3
7
5-3\sqrt7
5
−
3
7
. a)
5
+
7
5+\sqrt7
5
+
7
b)
−
5
+
3
7
-5+3\sqrt7
−
5
+
3
7
c)
5
+
3
7
5+3\sqrt7
5
+
3
7
d)
5
−
3
7
5-3\sqrt7
5
−
3
7
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