Prove that 1√6-√5 is irrational.

1.	Prove that 1√6-√5 is irrational.
Answer» Prove √2 or √3 is irrational. Since √2 or √3 is irrational, √6 (product of irrational numbers) are irrational. Since sum of two Irrationals are always irrational, √6 - √5 are irrational. Hence, proved.

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