Answer :

Given:


Line


To find:


The perpendicular distance from the origin of the perpendicular from the point (1, 2) upon the straight line .


Concept Used:


Distance of a point from a line.


Explanation:


The equation of the line perpendicular to is
This line passes through (1, 2).


+ 2 + λ = 0


λ


Substituting the value of λ, we get


Let d be the perpendicular distance from the origin to the line


d


Hence, the required perpendicular distance is


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