Classify the following  numbers as rational or irrational. Given  reasons to support your answer.
Channel: Doubtnut
Date: 2020-04-19

Classify the following  numbers as rational or irrational. Given  reasons to support your answer.   `(i)sqrt((3)/(81))"    "  (ii)sqrt(361) "    " (iii) sqrt(21) "   " (iv) sqrt(1.44)`  `(v) (2)/(3)sqrt(6)"    "(vi) 4.1276"    " (vii) (22)/(7)`  `(vii) 1.232332333.. "    " (ix) 3.040040004....`  `(x) 2.356565656.... "    " (xi) 6.834834....`