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Byju's Answer
Standard XII
Mathematics
Four Common Forms of Parabola Equation
The focus of ...
Question
The focus of parabola
x
2
=
−
16
y
is
A
(4, 0)
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B
(0, 4)
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C
(-4, 0)
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D
(0, -4)
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Solution
The correct option is
D
(0, -4)
The given parabola is of the form
x
2
=
4
a
y
.
Focus of this parabola is (0,a)
Here a = -4
=> focus is (0,-4)
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3
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