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Please answer this question no 20​

Answer»

<P>Answer:

let 3+2√7 be an rational NUMBER.

then 3+2√7 = p/q

=  2√7 = p/q - 3

= √7 = -3q + p/ 2q

as we know that, √7 is an irrational number

so our supposition is wrong that 3+ 2√7 is a rational number.

hence, 3+2√7 is an irrational number.


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