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Mathematics
Problem
A parabola has equation
y
2
=
4
a
x
y^{2}=4ax
y
2
=
4
a
x
and is required to have its latus rectum
10
10
10
units long. The value of
a
a
a
should be a)
10
10
10
b)
5
5
5
c)
5
2
\dfrac{5}{2}
2
5
d)
5
4
\dfrac{5}{4}
4
5
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