Consider z sub 1 is equal to 4 minus 4 square root of 3 i and z sub 2 is equal to negative 16 i What is z sub 1 minus z sub 2 ?

Subtract the complex numbers by subtracting their real and imaginary parts: (4 − 4√3i) − (−16i) = 4 + (16 − 4√3)i. Factoring 4 from the imaginary part gives 4 − 4(√3 − 4)i, which is choice C.

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