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Byju's Answer
Standard XII
Mathematics
Secant of a Curve y =f(x)
Let f x =⟨ ef...
Question
Let
f
(
x
)
=
⎧
⎪ ⎪
⎨
⎪ ⎪
⎩
x
3
+
x
2
−
10
x
−
1
≤
x
<
0
s
i
n
x
0
≤
x
<
π
2
1
+
c
o
s
x
π
2
≤
x
≤
π
A
local maxima at
x
=
π
2
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B
local minima at
x
=
π
2
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C
absolute maxima at x = 0
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D
absolute maxima at x =
-
1
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Open in App
Solution
The correct options are
A
local maxima at
x
=
π
2
D
absolute maxima at x =
-
1
From the graph
∴
absolute maxima at x =-1
Local maxima at
x
=
π
2
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0
Similar questions
Q.
Let
f
(
x
)
=
{
1
+
x
,
0
≤
x
≤
2
3
−
x
,
2
<
x
≤
3
then
f
{
f
(
x
)
}
=
Q.
If the function
f
(
x
)
=
⎧
⎪ ⎪ ⎪
⎨
⎪ ⎪ ⎪
⎩
x
+
a
2
√
2
s
i
n
x
,
0
≤
x
<
π
4
x
c
o
t
x
+
b
,
π
4
≤
x
<
π
2
b
s
i
n
2
x
−
a
c
o
s
2
x
,
π
2
≤
x
≤
π
(a, b) are is continuos in the interval
[
0
,
π
]
, then the values of
Q.
Let
f
(
x
)
=
{
1
+
x
,
0
≤
x
≤
2
3
−
x
,
2
<
x
≤
3
then
f
{
f
(
x
)
}
=
Q.
If
f
(
x
)
=
⎧
⎪
⎨
⎪
⎩
a
x
2
−
b
,
w
h
e
n
0
≤
x
<
1
2
,
w
h
e
n
x
=
1
x
+
1
,
w
h
e
n
1
<
x
≤
2
is continuous at x = 1, then
the most suitable value of a, b are
Q.
Let
f
(
x
)
=
{
1
+
x
,
0
≤
x
≤
2
3
−
x
,
2
<
x
≤
3
then
f
{
f
(
x
)
}
=
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Standard XII Mathematics
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