If the normal to a parabola y2 - 4ax at P meets the curve again in Q and if PQ and the normal at Q makes angle - and - respectively- with the x-axis then tan- tan- - tan- has the value equal to

If normal at p to parabola $y^{2} = 4 a x$ meets parabola again at Q such that PQ subtends a right angle at the vertex of $y^{2} = 4 a x$ then p will be

Q. If the tangent at the P of the curve

y^{2} = x^{3}

intersect the curve again at Q and the straight lines OP, OQ make angles

α, β

with the x-axis, where O is the origin. then,

tan α / tan β

has the value equal to

Q. If the tangent at P of the curve

y^{2} = x^{3}

intersects the curve again at Q and the straight lines OP, OQ ma angles

α, β

with the x-axis where 'O' is the origin then

tan α / tan β

has the value equal to?

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If the normal to a parabola y2=4ax at P meets the curve again in Q and if PQ and the normal at Q makes angle α and β, respectively, with the x−axis then tanα(tanα+tanβ) has the value equal to

If the normal to a parabola $y^{2} = 4 a x$ at $P$ meets the curve again in $Q$ and if $P Q$ and the normal at $Q$ makes angle $α$ and $β$ , respectively, with the $x - a x i s$ then $tan α (tan α + tan β)$ has the value equal to