Question

8. Insert a rational and an irrational number between 2 and 2.5​

Answer 1

Answer:

Rational number is 2.1

Irrational number is 2.2345468645474949484642314364749404864........................................

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

Given:- 2 and 2.5

To find:- To insert a rational and irrational number between the numbers.

Formulae to find a rational number:- 1/2*(x+y)

= 1/2 * ( 2 + 2.5 )

= 1/2 * 4.5

= 2.25

Therefore, 2.25 is the rational number between 2 and 2.5.

Formulae to find an irrational number:- $\sqrt{x*y}$

$= \sqrt{ 2 * 2.5} \\= \sqrt{5}$

Therefore, $\sqrt{5}$ is the irrational number between 2 and 2.5