Evaluate 1/(( square root of 21)/5)

Problem

1/√(,21)/5

Solution

1. Identify the expression as the reciprocal of a fraction.

2. Apply the rule for dividing by a fraction, which states that 1/a/b=b/a

3. Substitute the values into the rule to rewrite the expression.

4. Rationalize the denominator by multiplying both the numerator and the denominator by √(,21)

5. Simplify the resulting expression.

Final Answer

1/√(,21)/5=(5√(,21))/21

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