A) 1.98
B) 1.984
C) 1.9841
D) 2
Correct Answer: C
Solution :
[c] \[\frac{1}{\sqrt{5}-\sqrt{3}}=\frac{\sqrt{5}+\sqrt{3}}{(\sqrt{5}+\sqrt{3})(\sqrt{5}-\sqrt{3})}\] \[=\frac{1}{2}(\sqrt{5}+\sqrt{3})\,\,\,\] etc.You need to login to perform this action.
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