Tangents are drawn to the circle x^2+y^2...

Tangents are drawn to the circle `x^2+y^2=50` from a point "P lying on the x-axis. These tangents meet the y-axis at points `'P_1,' and 'P_2`. Possible co-ordinates of 'P' so that area of triangle `PP_1P_2` is minimum is/are -

(10,0)

`(10sqrt2,0)`

`(-10sqrt2,0)`

`(10sqrt3,0)`

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