Question

please solve this
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Answer 1

$\mathcal\colorbox{aqua}{Answer:}$

option d. √(5 x 6)

$\mathcal\colorbox{aqua}{Step-by-step explanation:}$

√(5 + 6) = √11 = 3.316… (an irrational number)

√(5 - 6) = √(-1) (not a number)

√(5 x 6) = √30 = 5.477… (an irrational number)

Therefore, in the given option (d) is the correct answer.