MCQOPTIONS
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| 1. |
For all values of \[\theta \], the locus of the point of intersection of the lines \[x\cos \theta +y\sin \theta =a\] and \[x\sin \theta -y\cos \theta =b\] is |
| A. | An ellipse |
| B. | A circle |
| C. | A parabola |
| D. | A hyperbola |
| Answer» E. | |