- Which of the followings is not irrational ?
(a) 15 + 3√6
(b) √23 - 6
(c) 3√120
(d) 4 + 5 √36
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Answer:
4 + 5√36
Step-by-step explanation:
√36 = 6
Therefore
4 + 5√36 =4 + 5*6
= 4+ 30
= 34
Since 34 is rational so option is correct
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