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1. |
If the chord y=mx+1 of the circle\[{{x}^{2}}+{{y}^{2}}=1\]subtends an angle of measure \[45{}^\circ \]at the major segment of the circle, then the value of m is |
A. | \[2\pm \sqrt{2}\] |
B. | \[-2\pm \sqrt{2}\] |
C. | \[-1\pm \sqrt{2}\] |
D. | None of these |
Answer» D. None of these | |