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Byju's Answer
Standard X
Physics
Work
16. [(1+i)/(1...
Question
16. [(1+i)/(1-i)]whole raise to power x = 1, then x= (A) 2n+1 (B)4n (C) 2n (D) 4n+1
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Similar questions
Q.
If
2
n
∑
i
=
1
sin
−
1
x
i
=
n
π
, then
2
n
∑
i
=
1
x
i
is equal to
Q.
If
2
n
∑
i
=
1
cos
−
1
x
i
=
0
, then
2
n
∑
i
=
1
x
i
is :
Q.
If
sin
4
x
a
+
cos
4
x
b
=
1
a
+
b
, prove that
(i)
sin
8
x
a
3
+
cos
8
x
b
3
=
1
(
a
+
b
)
3
(ii)
sin
4
n
x
a
2
n
−
1
+
cos
4
n
x
b
2
n
−
1
=
1
(
a
+
b
)
2
n
−
1
,
n
∈
N
Q.
If
(
1
+
i
1
−
i
)
x
=
1
, then
Q.
Assertion :If
2
n
∑
i
=
1
sin
−
1
x
i
=
n
π
∀
n
ϵ
N
then
2
n
∑
i
=
1
x
i
=
2
n
∑
i
=
1
x
2
i
=
2
n
∑
i
=
1
x
n
i
=
2
n
Reason:
−
π
2
≤
sin
−
1
x
≤
π
2
∀
x
ϵ
[
−
1
,
1
]
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