Question
Identify the irrational among the given numbers
Hint:
Irrational numbers refer to those numbers that cannot be represented as a simple fraction.
The correct answer is:
TO FIND-
Irrational number from the given options
SOLUTION-
√12/√3 = √(12/3) = √4 = 2 ........................................ (√m/√n = √m/n)
√5 = √5
√4/√9 = 2/3 = 1.5
√81 = 9
From the above calculations, we observe that-
all the other options except option b i.e. √5 can be written as a simple fraction.
Hence, √5 is an irrational number.
FINAL ANSWER-
Option 'b' i.e. '√5 ' is the correct answer to the given question.
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