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find the equations of the tangents to the circle x^2+y^2+20x+20y+20=0 through the origin.

find the equations of the tangents to the circle x^2+y^2+20x+20y+20=0 through the origin.

Grade:11

1 Answers

Arun
25763 Points
3 years ago
Dear student
 
Let the tangent is
Y = mx + c
 
Now use condition that perpendicular from centre = radius
and also pass it through (0,0) 
 
You will get both m and c

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