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) \(\{ \pm \sqrt { 2 } , \pm 2 \}\)

Explain the externalities associated with entry and exit in monopolistically competitive markets.

Identify deadweight loss in different market structures and scenarios.

Understand the adjustment process towards long-run equilibrium in monopolistically competitive industries.

Analyze the implications of excess capacity in monopolistically competitive markets.

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