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Mathematics
Problem
If
a
a
a
and
b
b
b
are two rational numbers and
2
+
3
2
−
3
=
a
+
b
3
,
then what is the value of
\frac{2+\sqrt{3}}{2-\sqrt{3}} = a + b\sqrt{3}, \text{ then what is the value of}
2
−
3
2
+
3
=
a
+
b
3
,
then what is the value of
a
−
b
a - b
a
−
b
? A.
3
\sqrt{3}
3
C. 7 B. 4 D. 3
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