Two circles are drawn through the point \( (a, 5 a) \) and \( (4 a,...

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Two circles are drawn through the point \( (a, 5 a) \) and \( (4 a, a) \) to touch the axis of ' \( y \) '. They
\( \mathrm{P} \) intersect at an angle of \( \theta \) then \( \tan \theta \) is -

W
(A) \( \frac{40}{9} \)
(B) \( \frac{9}{40} \)
(C) \( \frac{1}{9} \)
(D) \( \frac{1}{\sqrt{3}} \)
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