Question

find the irrational number between the rational 5 by
7 and 9 by 11

Answer 1

Hi there !

Given,
to find one irrational number between 5/7 and 9/11

5/7 in decimal form can be written as
5/7 = 0.7142857413..

9/11 in decimal form can be written as
9/11 = 0. 818181818...

So, one of the possible irrational number can be :

$0.7245672854675....$
Since irrational numbers are non terminating, they will continue till infinity

NOTE : Since there are infinite number of irrational numbers between two rational numbers , you can take any irrational number of your choice making sure that it is non repeating and non terminating and it lies between the range of the two numbers given