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Question

Find the coordinates of the focus, axis of the parabola, the equation of the directrix and the length of the latus rectum.
y2=10x

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Solution

The given equation of apabola is y2=10x
Which is of the form y2=4ax.
4a=10a=104a=52
Therefore, the coordinates of the focus are (52,0)
Axis of the parabola is y = 0
Equation of the directrix is
x=522x+5=0
Length of latus rectum =4×52=10


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