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सिद्ध कीजिये कि \(\frac1{3-\sqrt8}-\frac1{\sqrt8-\sqrt7}+\frac1{\sqrt7-\sqrt6}\)\(-\frac{1}{\sqrt6-\sqrt5}+\frac1{\sqrt5-2}\) = 5

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L.H.S. = 3 + √8 - √8 - √7 + √7 + √6 - √6 - √5 + √5 + 2

 = 5 = R.H.S

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