Find the equation of the directrix of the parabola $y^2 = 12x$

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Find the equation of the directrix of the parabola $y^2 = 12x$

Ravindra Pindel 18th Oct, 2021

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Ravindra Pindel 18th Oct, 2021

Given equation of the parabola => $y^2 = 12x$

Compare with $y^2 = 4ax$ => a = 3

The equation of the directrix of the parabola is x = – 3

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