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Mathematics
Problem
Express each of the complex number given in the Exercises 1 to 10 in the form
a
+
i
b
a+i b
a
+
ib
. 7.
[
(
1
3
+
i
7
3
)
+
(
4
+
i
1
3
)
]
−
(
−
4
3
+
i
)
\left[\left(\frac{1}{3}+i \frac{7}{3}\right)+\left(4+i \frac{1}{3}\right)\right]-\left(-\frac{4}{3}+i\right)
[
(
3
1
+
i
3
7
)
+
(
4
+
i
3
1
)
]
−
(
−
3
4
+
i
)
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