Simplify square root of 81

Problem

√(,81)

Solution

1. Identify the number under the radical, which is 81

2. Determine the square root by finding a non-negative number that, when multiplied by itself, equals 81

3. Recognize that 9×9=81 which means 9=81

4. Apply the definition of a square root to simplify the expression.

Final Answer

√(,81)=9

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