Solve the System for X and Y Using Cramer's Rule $\begin{array} { l } a ^ { 2 } x + b ^ { 2 } y = a ^ { 2 } \\a x + b y = b\end{array}$

question 321

Multiple Choice

Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.
$\begin{array} { l } a ^ { 2 } x + b ^ { 2 } y = a ^ { 2 } \\a x + b y = b\end{array}$

• A) \(\left\{ \left( \frac { a + b } { a } , \frac { b - a } { b } \right) \right\}\)
• B) \(\left\{ \left( \frac { a + b } { a } , - \frac { a } { b } \right) \right\}\)
• C) \(\left\{ \left( \frac { a + b } { a } , \frac { a } { b } \right) \right\}\)
• D) \(\left\{ \left( \frac { a - b } { a } , - \frac { a } { b } \right) \right\}\)

Explain Durkheim's theories on social solidarity and division of labor.

Critique the influence of nonverbal communication, social media, and physical appearance on social interaction and relationships.

Understand the mechanisms and comparative effects of different antidepressants.

Comprehend historical and current treatment approaches for schizophrenia.

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