, 3+ = f 66. 3+ । 3 = 3 -+- +3 5-5 का मान है। (1)3 (2) 23 (3) 2,3 (4) 6

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66. (1) ( 3+frac{1}{sqrt{3}}+frac{1}{sqrt{3}+3}+frac{1}{sqrt{3}-3} ) ( =3+frac{1}{sqrt{3}}+left(frac{sqrt{3}-3+sqrt{3}+3}{(sqrt{3}+3)(sqrt{3}-3)}right) ) ( =3+frac{1}{sqrt{3}}+frac{2 sqrt{3}}{3-9} ) ( =3+frac{1}{sqrt{3}}-frac{sqrt{3}}{3} ) ( =3+frac{1}{sqrt{3}}-frac{1}{sqrt{3}}=3 )

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