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


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