The angle of intersection between two curves \( x y=6 \) and \( x^{2} y \) \( =12 \) is (a) \( \...

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The angle of intersection between two curves \( x y=6 \) and \( x^{2} y \) \( =12 \) is
(a) \( \tan ^{-1}\left(\frac{3}{4}\right) \)
(b) \( \tan ^{-1}\left(\frac{3}{11}\right) \)
(c) \( \tan ^{-1}\left(\frac{11}{3}\right) \)
(d) \( 0^{\circ} \)
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