JEE MATHEMATICS MCQ: CIRCLES

1 Easy

1 of 1

Application +4 | -1

The tangents drawn from the origin to the circle

x^2+y^2-2 r x-2 h y+h^2=0

are perpendicular, if

View answer and explanation

Correct option: A

h=\pm r

Option A (

h=\pm r

) is correct because the condition for perpendicular tangents from the origin leads to the relationship

h^2 = r^2

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