Gaokao Math Practice Question
若复数 $z$ 满足 $\left( 3-4 i \right) z=|4+3 i|$, 则 $z$ 的虚部为 （$\qquad$）
- A.-4
- B.$-\frac{4}{5}$
- C.4
- D.$\frac{4}{5}$
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