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Statement 1: If the parabola y^2=4a x an...

Statement 1: If the parabola `y^2=4a x` and the circle `x^2+y^2+2b x=0` touch each other externally, then the roots of the equation `f(x)=x^2-(b+a+1)x+a=0` are real. Statement 2: For parabola and circle touching externally, `aa n db` must have the same sign.

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