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1. |
The line passing through \[(-1,\pi /2)\] and perpendicular to \[\sqrt{3}\sin \theta +2\cos \theta =\frac{4}{r}\] is [EAMCET 2003] |
A. | \[2=\sqrt{3}\,r\cos \theta -2\,r\sin \theta \] |
B. | \[5=-2\sqrt{3}\,r\sin \theta +4\,r\cos \theta \] |
C. | \[2=\sqrt{3}\,r\cos \theta +2\,r\cos \theta \] |
D. | \[5=2\sqrt{3}\,r\sin \theta +4\,r\cos \theta \] |
Answer» B. \[5=-2\sqrt{3}\,r\sin \theta +4\,r\cos \theta \] | |