The number obtained on rationalizing the denominator of $\frac{1}{7-\sqrt{2}}$ is
The number obtained on rationalizing the denominator of $\frac{1}{7-\sqrt{2}}$ is
- A
$\frac{7+\sqrt{2}}{47}$
- B
$\frac{\sqrt{7}+2}{5}$
- C
$\frac{\sqrt{7}-2}{3}$
- D
$\frac{\sqrt{7}+2}{3}$
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