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victus00 [196]
3 years ago
12

Help Me Plz!!!!!! THX!!!!!!!!!!

Mathematics
1 answer:
Sauron [17]3 years ago
3 0

\sqrt{5} is irrational

A rational number can be expressed in the form

\frac{a}{b} where a, b ∈ Z ( integers )

\frac{-9}{5} is in this form → rational

\sqrt{5} cannot be expressed in this form → irrational

\frac{7}{3} is in this form → rational

\sqrt{9} = ± 3 and \frac{3}{1}, - \frac{3}{1} → rational






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