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Question: Answered & Verified by Expert
Let $b, d>0$. The locus of all points $P(r, \theta)$ for which the line OP (where $O$ is the origin) cuts the line $r \sin \theta=b$ in $Q$ such that $P Q=d$ is :
MathematicsStraight LinesKVPYKVPY 2014 (SB/SX)
Options:
  • A $(r-d) \sin \theta=b$
  • B $(r \pm d) \sin \theta=b$
  • C $(r-d) \cos \theta=b$
  • D $(r \pm d) \cos \theta=b$
Solution:
1147 Upvotes Verified Answer
The correct answer is: $(r \pm d) \sin \theta=b$
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