Evaluate 21 root of 12

Problem

√(21,12)

Solution

1. Identify the expression as the 21*st root of the number 12

2. Rewrite the radical expression using a fractional exponent.

3. Apply the rule √(n,x)=x(1/n)

4. Calculate the decimal approximation using a calculator if required, though the exact form is usually preferred in radical or exponential notation.

Final Answer

√(21,12)=12(1/21)

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