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Byju's Answer
Standard XI
Mathematics
Properties of Conjugate of a Complex Number
Let fx=|sin-1...
Question
Let
f
(
x
)
=
∣
∣
sin
−
1
(
sin
x
)
∣
∣
−
(
π
−
x
2
)
. Then number of solutions of equation
f
(
x
)
=
0
in
x
∈
[
−
π
,
π
]
is
A
2
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B
3
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C
0
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D
4
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Solution
The correct option is
A
2
f
(
x
)
=
|
sin
−
1
(
sin
x
)
|
−
(
π
−
x
2
)
Draw curve of
y
=
|
sin
−
1
(
sin
x
)
|
and
y
=
π
−
x
2
Now find number of intersection points of curves.
So, there are
2
solutions of
f
(
x
)
=
0
Suggest Corrections
0
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Q.
Let
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6
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−
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d
x
and
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then number of solutions of the equation
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Let
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4
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,
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∈
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π
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]
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If
f
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)
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Q.
Let
f
(
x
)
=
1
−
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x
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,
x
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,
x
∈
[
0
,
π
4
]
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f
(
x
)
is continuous in
[
0
,
π
2
]
then
f
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π
4
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Q.
The number of points in [–π, π] where f(x) = sin
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Q.
Let
f
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x
)
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⎧
⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪
⎨
⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪
⎩
−
2
sin
x
,
−
π
≤
x
≤
−
π
2
a
sin
x
+
b
,
−
π
2
<
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<
π
2
cos
x
,
π
2
≤
x
≤
π
If
f
(
x
)
is continuous on
[
−
π
,
π
]
, then
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