The equation of the directrices of the conic \[{{x}^{2}}+2x-{{y}^{2}}+5=0\] are

The equation of the directrices of the conic \[{{x}^{2}}+2x-{{y}^{2}}+

1.	The equation of the directrices of the conic \[{{x}^{2}}+2x-{{y}^{2}}+5=0\] are
A.	\[x=\pm 1\]
B.	\[y=\pm 2\]
C.	\[y=\pm \sqrt{2}\]
D.	\[x=\pm \sqrt{3}\]
Answer» D. \[x=\pm \sqrt{3}\]

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The equation of the directrices of the conic \[{{x}^{2}}+2x-{{y}^{2}}+5=0\] are

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