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The complex conjugate of $3 - 4i$ is:

A$-3 - 4i$
B$4 - 3i$
C$3 + 4i$
D$-3 + 4i$
Answer & Solution
Correct answer: C. $3 + 4i$
The conjugate of a + ib is a − ib, so conj(3 − 4i) = 3 + 4i.
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