Question

(3+ root 23)- root 23 is rational or irrational​

Answer 1

Answer:

$(3 + \sqrt{23} ) - \sqrt{23}$ is a rational number.

Because ,

$(3 + \sqrt{23} ) - \sqrt{23} \\ =>3 </p><p>\\ \frac{3}{1}$

and 3 is a rational number.

Answer 2

(3 + √23) - √23 is rational.

Reason :

(3 + √23) - √23

= 3 + √23 - √23

= 3.

And 3 is a rational number.