Question

क्लासिफाई थे फॉलोइंग नंबर्स आईएस राशनल ओर इरेशनल
$\sqrt{45}$
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Answer 1

Solution :

√45 = √3×3×5

√3×3×5 = 3√5

Since √5 is an irrational number, √45 is also an irrational because √5 is a factor of it.

Hence the given number is irrational.