Question

Under root 2 × under root 5

Answer 1

Method 1 :


√2 × √5 

√(2 × 5)

√10 

⇒ 3.1622
------------------------------

√2 × √5 

Taking approx. values,

1.414 × 2.236

⇒ 3.161704


i hope this will help you


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Answer 2

$\sqrt{10}$
hope and yes you can do it by simplify it.