The extraction of a square root of a given number is?

The extraction of a square root of a given number is?

دیئے گئے نمبر کے مربع جڑ کا اخراج کیا ہے؟
Explanation

The extraction of a square root of a given number is a unary operation because it takes only one operand (the number) and returns a value (the square root).