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KCET 2020 Math Solved Paper
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© examsnet.com
Question : 40
Total: 60
If the parabola
x
2
=
4
a
y
passes through the point
(
2
,
1
)
, then the length of the latus rectum is
8
1
4
2
Validate
Solution:
x
2
=
4
a
y
Given parabola passes through
(
2
,
1
)
.
⇒
2
2
=
4
a
⇒
a
=
1
Length of latus rectum
=
4
a
=
4
© examsnet.com
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