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Mathematics
Mathematics
Problem
Find the rationalized form of
1
5
+
2
3
\dfrac{1}{5+2\sqrt{3}}
5
+
2
3
1
. a)
5
+
2
3
13
\dfrac{5+2\sqrt{3}}{13}
13
5
+
2
3
b)
5
−
2
3
25
\dfrac{5-2\sqrt{3}}{25}
25
5
−
2
3
c)
5
−
2
3
13
\dfrac{5-2\sqrt{3}}{13}
13
5
−
2
3
d)
5
−
2
3
19
\dfrac{5-2\sqrt{3}}{19}
19
5
−
2
3
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