Q. 185.0( 1 Vote )

Find the

Answer :

The given equation involves y2, so the axis of symmetry is along the x-axis.

The coefficient of x is negative, so the parabola opens to the left. Comparing with the given equation y2 = 4ax, we find that a = 2. Thus the focus of the parabola is (- 2, 0) and the equation of the directrix of the parabola is x = 2. Length of the Latus rectum LL' is 4a = 4 × 2 = 8.

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