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1. A parabola y=ax2+bx+c crosses the x axis at (p,0) (q,0) both to right of origin. A circle also passes through these two points. The length of tangent from origin to circle is

Answer» 1. A parabola y=ax2+bx+c crosses the x axis at (p,0) (q,0) both to right of origin. A circle also passes through these two points. The length of tangent from origin to circle is


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