Simplify the Radical Expression $\sqrt { \frac { 441 } { 289 } }$

question 51

Multiple Choice

Simplify the radical expression. Indicate if the expression is not a real number.
- $\sqrt { \frac { 441 } { 289 } }$

• A) \(\frac { 220 } { 144 }\)
• B) \(\frac { 21 } { 18 }\)
• C) \(\frac { 21 } { 17 }\)
• D) \(\frac { 22 } { 17 }\)

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