1. $$\frac{{{\text{ZN}}}}{{\text{p}}}$$
  2. $$\frac{{\text{p}}}{{{\text{ZN}}}}$$
  3. $$\frac{{\text{Z}}}{{{\text{pN}}}}$$
  4. $$\frac{{\text{N}}}{{{\text{Zp}}}}$$
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1 Answers

Answer: Option 1

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