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Byju's Answer
Standard X
Mathematics
Probability
Express the g...
Question
Express the given complex number in the form
a
+
i
b
:
i
9
+
i
19
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Solution
i
9
+
i
19
=
i
4
×
2
+
1
+
i
4
×
4
+
3
=
(
i
4
)
2
.
i
+
(
i
4
)
4
.
i
3
=
1
×
i
+
1
×
(
−
i
)
,
[
∵
i
4
=
1
,
i
2
=
−
1
]
=
i
+
(
−
i
)
=
0
=
a
+
i
b
,
where,
a
=
0
,
b
=
0
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8
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