Tangents drawn from the point to the parabola
touch the parabola at
and
. If
is the focus of the parabola. then the area of the triangle PFQ(in sq. units) is equal to
48
35
30
41
Let be the point on the parabola and the focus is
Now, slope of the tangent to the parabola is given by
......(i)
But the slope of the tangent passing through is given by
(ii)
Equating (i) and (ii), we have
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