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Byju's Answer
Standard XII
Mathematics
General Tips for Choosing Function
If x+y=k is n...
Question
If x + y = k is normal to the curve y
2
= 12x, then k is equal to
A
3
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B
-9
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C
-3
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D
9
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Solution
The correct option is
D
9
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Similar questions
Q.
If
x
+
y
=
k
is normal to
y
2
=
12
x
, then
k
=
Q.
If
x
+
y
=
k
is a normal to the parabola
y
2
=
12
x
then
k
is
Q.
If x + y = k is normal to the parabola
y
2
=
12
x
,
p
is the length of perpendicular from the focus of the parabola on this normal, then
3
k
3
+
2
p
2
is equal to
Q.
If
x
+
y
=
k
is a normal to the parabola
y
2
=
12
x
,
p
is the length of the perpendicular from the focus of the parabola on this normal; then
3
k
3
+
2
p
2
247
is equal to
Q.
If the line
x
−
y
+
k
=
0
is a normal to
y
2
=
4
a
x
then the value of
k
is
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