Prove that (under root 2n+1 +underroot 2n+3) is irrational for any natural number n.
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Underroot 2n plus 1plus underroot 2n plus 3
Underroot 2n plus 1 equall (2n plus 3) sqare
( squaring on both sides)
Underroot ( 2n plus 1) whole sqaure equall (2n plus 3) whole squre
Root and squre cuts equall (2n plus 3)both squre and while squre cuts off than the answer will like this
(2n plus 1)/ (2n plus 3) ( upper and lower 2n cuts and the finle answer will be 1/3.....
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