Asked by Sachin jha
S is the point (4,0) and M is the foot of the perpendicular drawn From a point to the y-axis.If P moves such that the distance PS and PM remain equal,find the locus of point P
Answers
Answered by
Steve
the locus is a parabola, as you can see from the definitions of the parabola. The directrix is the line x=0.
Use what you know about the equation
y^2 = 4px
In this case, the focus is at (4,0), so the vertex has been shifted to (2,0) and the equation is
y^2 = 4p(x-2)
Now figure out the value of p and you're done.
Use what you know about the equation
y^2 = 4px
In this case, the focus is at (4,0), so the vertex has been shifted to (2,0) and the equation is
y^2 = 4p(x-2)
Now figure out the value of p and you're done.
Answered by
Bianca
I didn't get that...
You mean locus is shifted..... How that can be possible
You mean locus is shifted..... How that can be possible
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