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Mathematics
Mathematics
Problem
Simplify
5
5
+
2
\dfrac{5}{\sqrt{5}+\sqrt{2}}
5
+
2
5
so that the denominator is rational. a)
5
5
−
5
2
7
\dfrac{5\sqrt{5}-5\sqrt{2}}{7}
7
5
5
−
5
2
b)
5
5
+
5
2
3
\dfrac{5\sqrt{5}+5\sqrt{2}}{3}
3
5
5
+
5
2
c)
5
5
−
5
2
3
\dfrac{5\sqrt{5}-5\sqrt{2}}{3}
3
5
5
−
5
2
d)
5
−
2
3
\dfrac{\sqrt{5}-\sqrt{2}}{3}
3
5
−
2
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