An infinite number of tangents can be drawn from 1-2 to the circle x 2- y 2-2 x -4 y -0- Then - isA- 20B- -20C- 5D- Not possible

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Pair of Tangents from a Point

An infinite n...

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An infinite number of tangents can be drawn from $(1, 2)$ to the circle $x^{2} + y^{2} - 2 x - 4 y + λ = 0.$ Then $λ$ is

20

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- 20

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5

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Not possible

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Similar questions

(1, 2)

x^{2} + y^{2} - 2 x - 4 y + λ = 0.

An infinite number of tangents can be drawn from (1, 2) to the circle $x^{2} + y^{2} - 2 x - 4 y + λ = 0,$ then $λ =$

(1, 2)

x^{2} + y^{2} - 2 x - 4 y + λ = 0.

(1, 2)

x^{2} + y^{2} - 2 x - 4 y + 4 = 0

x^{2} + y^{2} + 2 x - 4 y + 4 = 0

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