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Byju's Answer
Standard XII
Mathematics
Properties of Iota
-√-1 4n+3 n, ...
Question
(
−
√
−
1
)
4
n
+
3
(n, +ive integer)
A
−
i
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B
i
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C
1
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D
−
1
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Solution
The correct option is
B
i
Given,
(
−
√
−
1
)
4
n
+
3
=
(
−
1
)
4
n
+
3
(
i
4
)
n
i
3
=
(
−
1
)
(
1
)
(
−
i
)
=
i
Ans: B
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