MathematicsHard249×since 2002Q2541Let P(α,β,γ)\mathrm{P}(\alpha, \beta, \gamma)P(α,β,γ) be the image of the point Q(3,−3,1)\mathrm{Q}(3,-3,1)Q(3,−3,1) in the line x−01=y−31=z−1−1\frac{x-0}{1}=\frac{y-3}{1}=\frac{z-1}{-1}1x−0=1y−3=−1z−1 and R\mathrm{R}R be the point (2,5,−1)(2,5,-1)(2,5,−1). If the area of the triangle PQR\mathrm{PQR}PQR is λ\lambdaλ and λ2=14 K\lambda^2=14 \mathrm{~K}λ2=14 K, then K\mathrm{K}K is equal to :A18B81C72D36Check answerSkip