Perform the indicated operations & simplify.
Add:
(
9
−
19
i
)
+
(
21
+
4
i
)
\displaystyle {\left({9}-{19}{i}\right)}+{\left({21}+{4}{i}\right)}
(
9
−
19
i
)
+
(
21
+
4
i
)
sum =
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Question 6 Part 1 of 2
Subtract:
(
9
−
19
i
)
−
(
21
+
4
i
)
\displaystyle {\left({9}-{19}{i}\right)}-{\left({21}+{4}{i}\right)}
(
9
−
19
i
)
−
(
21
+
4
i
)
difference =
Preview
Question 6 Part 2 of 2
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\displaystyle