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| Q. |
The constant N loci represented by the equation x^2+x+y^2=0 is for the value of phase angle equal to: |
| A. | -45° |
| B. | 0° |
| C. | 45° |
| D. | 90° |
| Answer» D. 90° | |
| Explanation: centre = (-0.5, 0) centre of n circle is (-1/2, 1/2n) | |
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