For what value of \( \lambda \) does the line \( y=x+\lambda \) tou...

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For what value of \( \lambda \) does the line \( y=x+\lambda \) touches
\( \mathrm{P}^{12:} \) the ellipse \( 9 x^{2}+16 y^{2}=144 \).

W
(1) \pm 3
(2) \pm 5
(3) \pm 7
(4) \pm 9
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