If p and q are the lengths of theperpendiculars from the origin on the lines,x {\cosec} \\alpha-y \sec \\alpha=k \cot 2 \\alpha andx \sin \\alpha+y \cos \\alpha=k \sin 2 \\alpharespectively, then k^{2} is equal to [31 Aug 2021 Shift 1]

JEE Main 31-Aug-2021 Shift 1 Solved Paper

Section: Mathematics

Question : 71 of 90

Marks: +1, -0

If p and q are the lengths of theperpendiculars from the origin on the lines,x‌cosec‌α−y‌sec‌α=k‌cot‌2‌α andx‌sin‌α+y‌cos‌α=k‌sin‌2‌αrespectively, then k2 is equal to

[31 Aug 2021 Shift 1]

4p2+q2
2p2+q2
p2+2q2
p2+4q2

Validate

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