1.

If \(N = \sqrt 9 + \sqrt 6 \), then what is the value of 1/N?

A. \(\sqrt 9 -\sqrt 6 \)
B. \(3\left( {\sqrt 9 -\sqrt 6 } \right)\)
C. \(\frac{{\sqrt {9\;} -\;\sqrt 6 }}{3}\)
D. \(\frac{{\sqrt 9 -\sqrt 6 }}{4}\)
Answer» D. \(\frac{{\sqrt 9 -\sqrt 6 }}{4}\)


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