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 107

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) \(\left\{ \left\{ \frac { a + b } { a } , \frac { a } { b } \right) \right\}\)
• 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) \(\left\{ \left\{ \frac { a + b } { a } , \frac { b - a } { b } \right) \right\}\)

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