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Category: Coordinate Geometry

Question-52558

Question Number 52558 by ajfour last updated on 09/Jan/19 Commented by ajfour last updated on 10/Jan/19 $${eq}.\:{of}\:{parabola}\:{be}\:{y}=\:\frac{{x}^{\mathrm{2}} }{{a}}\:\:{and} \\ $$$${eq}.\:{of}\:{line}\:\:{be}\:{y}=\:{mx}\:\:\:\left({m}=\mathrm{tan}\:\phi\right), \\ $$$${if}\:{both}\:{circles}\:{touch}\:{the}\:{line}\:{at}\:{a} \\ $$$${same}\:{point}\:{and}\:{circle}\:{in}\:{red}\:{has} \\…