1.

If \[{{P}_{1}}\] and \[{{P}_{2}}\] are the lengths of the perpendiculars from the points (2,3,4) and (1,1,4) respectively from the plane \[3x-6y+2z+11=0\], then \[{{P}_{1}}\] and \[{{P}_{2}}\] are the roots of the equation

A. \[{{P}^{2}}-23P+7=0\]
B. \[7{{P}^{2}}-23P+16=0\]           
C. \[{{P}^{2}}-17P+16=0\]
D. \[{{P}^{2}}-16P+7=0\]
Answer» C. \[{{P}^{2}}-17P+16=0\]


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