line x+y=2 touches the circle x^2+y^2=4 at what point
Sudheer , 6 Years ago
Grade 12th pass
Analytical Geometry> line x+y=2 touches the circle x^2+y^2=4 a...
2 Answers
Arun
Last Activity: 6 Years ago
Dear student
let the contact point is (a, b)
ax + by = 4
now ax/2 + bx/2 = 2
on comparing
a = 2 and b = 2
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