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Ex 11.2, 1 - y2 = 12x, find focus, axis, directrix, latus - Parabola - Basic Questions

Ex 11.2,  1 - Chapter 11 Class 11 Conic Sections - Part 2
Ex 11.2,  1 - Chapter 11 Class 11 Conic Sections - Part 3

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Ex 11.2, 1 Find the coordinates of the focus, axis of the parabola, the equation of directrix and the length of the latus rectum for y2 = 12x Given y2 = 12x Since the above equation is involves y2 Its axis is x-axis Also coefficient of x is positive (+12) Hence we use equation y2 = 4ax Latus Rectum is 4a = 4 × 3 = 12

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