Rationalize the Denominator and Simplify $\frac { \sqrt { 7 } - \sqrt { 8 } } { \sqrt { 7 } + \sqrt { 8 } }$

question 275

Multiple Choice

Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
- $\frac { \sqrt { 7 } - \sqrt { 8 } } { \sqrt { 7 } + \sqrt { 8 } }$

• A) \(15 + 2 \sqrt { 56 }\)
• B) \(2 \sqrt { 56 } - 15\)
• C) \(15 - 2 \sqrt { 56 }\)
• D) \(- 15 - 2 \sqrt { 56 }\)

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