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Q. The surd $\frac{12}{3+\sqrt{5}+2 \sqrt{2}}$, after rationalizing the denominator becomes:

Real Numbers

Solution:

(i) Rationalize the denominator two times.
(ii) RF of denominator is $(3+\sqrt{5}-2 \sqrt{2})$.
(iii) Rationalize the denominator twice and simplify.