If the reflexion of \( (\alpha, \beta) \) in the line \( \alpha x+\... VIDEO
If the reflexion of \( (\alpha, \beta) \) in the line \( \alpha x+\beta y=p+q \) is \( (p, q) \), then
(a) \( \alpha^{2}+\beta^{2}+p \alpha+q \beta=2(p+q) \)
(b) \( \alpha^{2}+\beta^{2}-p \alpha-q \beta=0 \)
(c) \( p \beta-q \alpha=0 \)
(d) \( p \alpha-q \beta=0 \)
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\begin{array}{l}
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... 2023-02-25 \[
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