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Equation of Tangent in Slope Form

If L1 and ...

Question

If $L_{1}$ and $L_{2}$ are the length of the tangent from $(0, 5)$ to the circles $x^{2} + y^{2} + 2 x - 4 = 0$ and $x^{2} + y^{2} - y + 1 = 0$ then

L_{1} = 2 L_{2}

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L_{2} = 2 L_{1}

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L_{1} = L_{2}

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L_{1}^{2} = L_{2}

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Solution

The correct option is C $L_{1} = L_{2}$

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