If \( p \) and \( p \) be the distances of origin from the lines \( x \sec \alpha \) \( +y \ope... VIDEO
If \( p \) and \( p \) be the distances of origin from the lines \( x \sec \alpha \) \( +y \operatorname{cosec} \alpha=k \) and \( x \cos \alpha-y \sin \alpha=k \cos 2 \alpha \), then \( 4 p^{2}+p^{2}= \)
(a) \( k \)
(b) \( 2 k \)
\( (c) k^{2} \)
(d) \( 2 k^{2} \)
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