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The lines L1: x-2y+6=0&L2: x-2y-9=0 are ...

The lines `L_1: x-2y+6=0&L_2: x-2y-9=0` are tangents to the same circle. If the point of contact of `L_1` with the circle is `(-2,2),` then: the centre of the circle is `(-7/2,5)` the centre of the circle is `(-1/2,-1)` area of the circle is `(45pi)/4s qdotu n t i s` the point of contact of `L_2` with the circle has the co-ordinates `(-5,8)`

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