prove that 9 root 7 is irrational number.
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square root of any prime number must be an irrational number. For example, because of this proof we can quickly determine that √3, √5, √7, or √11 are irrational numbers.
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it is irrational no. ... Root 7 () is an irrational number. It cannot be expressed as a number in the form p/q (where p and q are integers and q is not equal to 0).
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