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Mohammad ali

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· 1 Months ago

How it came did not understand (Question:96560.0)

Did not understand

Question:

If x = 5 - \(\sqrt{21}\) , then the value of  \(\cfrac{\sqrt{x}}{\sqrt{32-2x}-\sqrt{21}}\)    is:

Options:
A) \(\cfrac{1}{\sqrt{2}}(7 -\sqrt{3})\)
B) \(\cfrac{1}{\sqrt{2}}(\sqrt{3}-\sqrt{7 })\)
C) \(\cfrac{1}{\sqrt{2}}(\sqrt{7}-\sqrt{3 })\)
D) \(\cfrac{1}{\sqrt{2}}(\sqrt{7}+\sqrt{3 })\)
Solution:

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