Simplify -3 xy3 + 7 xy3 + (- xy3 ) + (-3 xy3 ). 0 xy3 3 xy3 - xy3
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Answer:
As square root of 9 can be written in the required form for being a rational number, so it is a rational number
Step-by-step explanation:
First of all we'll define rational numbers.
A number that can be written in the form p/q where p and q are integers and q≠0 is called a rational number.
Now we have to check if is rational or not, we will check if it can be written in the form p/q
As square root of 9 can be written in the required form for being a rational number, so it is a rational number