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The locus of the point P which is at a constant distance of 2 units from the origin and which lies in the first or the second quadrants is __________.A. `y=-sqrt(4-x^2)`B. `y=sqrt(4-x^2)`C. `x=sqrt(4-y^2)`D. `x=-sqrt(4-y^2)` |
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Answer» Correct Answer - B Recall the definition of locus. In the first on the second quadrant, `gamma` is positive. |
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