UPSKILL MATH PLUS
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Learn moreCheck whether \(7\sqrt{5},\frac{7}{\sqrt{5}},\sqrt{2}+21,\pi-2\) are irrational numbers or not.
Ans:
\(7\sqrt{5},\frac{7}{\sqrt{5}},\sqrt{2}+21,\pi-2\) are .
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