Answer:
C
Step-by-step explanation:
Given the complex number a ± bi, then the complex conjugate is
a ∓ bi
Note the real part remains unchanged while the sign of the imaginary part is reversed, thus
The conjugate of 7 - i is 7 + i → C
○ C 7 + i ohms
Conjugates are expressions with OPPOSITE operation symbols, so the conjugate of 7 - i is 7 + i.
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