A \( \alpha x + \beta y = \alpha^2 + \beta^2 \)
B \( \alpha x + \beta y = 2\alpha\beta \)
C \( \alpha y + \beta x = 2\alpha\beta \)
D \( \alpha y + \beta x = \alpha^2 + \beta^2 \)
E None of them
Correct Answer: Option C
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