Question

prove that
$3 + \sqrt{5}$
is an irrational number​

Answer 1

Answer:

Let 3+root 5 be a rattional number,say r

3+root 5=r

root 5=r-3

As r -3 is a rational number but root 5 is an irrational number so,3+root 5 is also a rational number.

Step-by-step explanation:

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