Let \( (\lambda, 2,1) \) be a point on the plane which passes throu...

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Let \( (\lambda, 2,1) \) be a point on the plane which passes through the point \( (4,-2,2) \). If the plane is perpendicular to the
\( \mathrm{P} \) line joining the points \( (-2,-21,29) \) and \( (-1,-16,23) \), then \( \left(\frac{\lambda}{11}\right)^{2}-\frac{4 \lambda}{11}-4 \) is equal to
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