Question

are the square root of all positive integers irrational?if not give an example of the square root of a numbers that is rational number.
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Answer 1

Answer:

No example is root 4

Step-by-step explanation:

not all positive integers are prefect squares. like 4,9,16,1..................................

Here is a fact for you

all square numbers are positive, this fact will help you a lot in inequalities.

For example prove that a^2(b-c) + b^2(c-a)+c^2(a-b) > 0 if

a>b>c  

Answer 2

Answer:

Root 25 = 5 is a rational number.

Step-by-step explanation:

For example, root 4,root 9,root 16 is also a rational number.