The perpendicular distance of the line `px+qy+r=0` from the point (2,-1) is 4 unit , state which of the following conditions is true ?A. `q+r-2p=4(p^(2)+q^(2))`B. `q+r-2p=4sqrt(p+q)`C. `(q+r-2p)^(2)=4(p^(2)+q^(2))`D. `(2p-q+r)^(2)=16(p^(2)+q^(2))`

The perpendicular distance of the line `px+qy+r=0` from the point (2,-

1.	The perpendicular distance of the line `px+qy+r=0` from the point (2,-1) is 4 unit , state which of the following conditions is true ?A. `q+r-2p=4(p^(2)+q^(2))`B. `q+r-2p=4sqrt(p+q)`C. `(q+r-2p)^(2)=4(p^(2)+q^(2))`D. `(2p-q+r)^(2)=16(p^(2)+q^(2))`
Answer» Correct Answer - D

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