Find the Values of X for Which the Expression Equals $$\sqrt { 4 - x ^ { 2 } } - x \left( \frac { 1 } { 2 } \right) \frac { 1 } { \sqrt { 4 - x ^ { 2 } } } ( 2 x )$$

question 5

Multiple Choice

Find the values of x for which the expression equals zero.
- $$\sqrt { 4 - x ^ { 2 } } - x \left( \frac { 1 } { 2 } \right) \frac { 1 } { \sqrt { 4 - x ^ { 2 } } } ( 2 x )$$

• A) \(\{ \pm \sqrt { 2 } \}\)
• B) \(\{ \sqrt { 2 } , 2 \}\)
• C) \(\{ \pm 2 \}\)
• D) \(\{ \pm \sqrt { 2 } , \pm 2 \}\)

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