Simplify the Expression $$\sqrt { \frac { 6 } { 7 } } - \sqrt { \frac { 216 } { 252 } }$$

question 245

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $$\sqrt { \frac { 6 } { 7 } } - \sqrt { \frac { 216 } { 252 } }$$

• A) \(- \frac { 1 } { 6 }\)
• B) \(- 6\)
• C) \(- 1\)
• D) 0

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