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Let P(1)=x+y+z+1=0, P(2)=x-y+2z+1=0,P(3)...

Let `P_(1)=x+y+z+1=0, P_(2)=x-y+2z+1=0,P_(3)=3x+y+4z+7=0` be three planes. Find the distance of line of intersection of planes `P_(1)=0` and `P_(2) =0` from the plane `P_(3) =0.`

A

`(2)/(sqrt(26))` units

B

`(1)/(sqrt(26))` units

C

`(4)/(sqrt(26))` units

D

`(7)/(sqrt(26))` units

Text Solution

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The correct Answer is:
C
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