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Find out which one of the following nu...

Find out which one of the following numbers is rational and which one is irrational
(i) ` sqrt(127) `(ii) `sqrt(1521)` (iii) 0.285714285714…
(iv) 0.101001000…. (v) ` 7/sqrt5` (vi) 0.00010001
(vii) ` sqrt2 + 21` (viii) ` pi -2 `

Text Solution

Verified by Experts

The correct Answer is:
(i) Irrational . (ii) Rational (iii) Rational
(iv) Irrational (v) Irrational (vi) Rational (vii) Rational (viii) Irrational
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