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the distance of the point (1,1,1) from the planepassing through the point(-1,-2,-1) and whose normal is perpendicular to both the lines L1 and L2 is?

Harish , 11 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 4 Years ago

The given equations of line are 
 
L1 : 3x+1 = 1
y+2 = 2
z+1 and L 2 : 1
x−2 = 2
y+2 = 3
z−3
Plane is given by (x+1)−7(y+2)+5(z+1)=0
 
⇒x+7y−5z+10=0
 
⇒ distance = 
75
? 
1+7−5+10 = 75
 
13
? 
 

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