Question

It is known that 2.2< sq root 5 <2.3. Find all possible values of the expression: a sq root 5 +2 3- sq root 5 It is known that 5.1

Answer 1

4.2 < sq. 5< 4.3

Explanation:

since square root of 5 was +2 you just add +2 to both sides and you will get your answer, however it is different with different operations.