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[" The straight line joining any point "P" on the parabola "y^(2)=4ax" to the vertex and perpendicular from "],[" the focus to the tangent at "P" ,intersect at "R" ,then the equation of the "locus" of "R" is - "],[[" (A) "x^(2)+2x^(2)," and "," at "R" ,then the equation of the "," locus of "R" is - "]]

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The straight line joining any point P on the parabolay ^(2)=4ax to the vertex and perpendicular from the focus to the tangent at Pintersect at R, then the equation of the locus of R is

The straight lines joining any point P on the parabola y^2=4a x to the vertex and perpendicular from the focus to the tangent at P intersect at Rdot Then the equation of the locus of R is

The straight lines joining any point P on the parabola y^(2)=4ax to the vertex and perpendicular from the focus to the tangent at P intersect at R. Then the equation of the locus of R is x^(2)+2y^(2)-ax=02x^(2)+y^(2)-2ax=02x^(2)+2y^(2)-ay=0(d)2x^(2)+y^(2)-2ay=0

The straight lines joining any point P on the parabola y^2=4a x to the vertex and perpendicular from the focus to the tangent at P intersect at Rdot Then the equation of the locus of R is (a) x^2+2y^2-a x=0 (b) 2x^2+y^2-2a x=0 (c) 2x^2+2y^2-a y=0 (d) 2x^2+y^2-2a y=0

The straight lines joining any point P on the parabola y^2=4a x to the vertex and perpendicular from the focus to the tangent at P intersect at Rdot Then the equation of the locus of R is (a) x^2+2y^2-a x=0 (b) 2x^2+y^2-2a x=0 (c) 2x^2+2y^2-a y=0 (d) 2x^2+y^2-2a y=0

The length of the perpendicular from the focus s of the parabola y^(2)=4ax on the tangent at P is