The Letters X and Y Represent Rectangular Coordinates $$x ^ { 2 } + 4 y ^ { 2 } = 4$$

question 244

Multiple Choice

The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, θ) .
- $$x ^ { 2 } + 4 y ^ { 2 } = 4$$

• A) \(4 \cos ^ { 2 } \theta + \sin ^ { 2 } \theta = 4 \mathrm { r }\)
• B) \(\cos ^ { 2 } \theta + 4 \sin ^ { 2 } \theta = 4 \mathrm { r }\)
• C) \(r ^ { 2 } \left( \cos ^ { 2 } \theta + 4 \sin ^ { 2 } \theta \right) = 4\)
• D) \(\mathrm { r } ^ { 2 } \left( 4 \cos ^ { 2 } \theta + \sin ^ { 2 } \theta \right) = 4\)

Analyze the enforceability of contracts involving minors, including the concepts of necessaries and emancipation.

Comprehend the effect of mental impairment on contract validity.

Recognize the legal consequences of illegal agreements and how illegality affects contract enforceability.

Understand the role and requirement of licenses in professional and business practices.

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