Evaluate square root of 121

Problem

√(,121)

Solution

1. Identify the number under the radical, which is 121

2. Determine if the number is a perfect square by finding an integer that, when multiplied by itself, equals 121

3. Recognize that 11×11=121

4. Calculate the principal square root, which is the positive value 11

Final Answer

√(,121)=11

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