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Question 1
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Find foci of the equation $x^2 + 2x ā 4y^2 + 8y ā 7 = 0$
A.
$$(\sqrt[]{5}\pm1,1)$$
B.
$$(-1\pm\sqrt[]{5},1)$$
C.
$$(-1,\sqrt[]{5}\pm1)$$
D.
$$(1,-1\pm\sqrt[]{5})$$
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