Two common tangents to the circle \( x^{2}+y^{2}=2 a^{2} \) \( \mat...

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Two common tangents to the circle \( x^{2}+y^{2}=2 a^{2} \)
\( \mathrm{P} \) and parabola \( y^{2}=8 a x \) are:

W
(1) \( x= \pm(y+2 a) \)
(2) \( y= \pm(x+2 a) \)
(3) \( x= \pm(y+a) \)
(4) \( y= \pm(x+a) \)
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