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Divide and Simplify z−7z−5\frac{\mathrm{z}^{-7}}{\mathrm{z}^{-5}} A) 1z−2\frac{1}{z^{-2}} B) z2\mathrm{z}^{2} C) 1z2\frac{1}{z^{2}} D) z12z^{12}

Question 179

Multiple Choice

Divide and simplify.
- z−7z−5\frac{\mathrm{z}^{-7}}{\mathrm{z}^{-5}}


A) 1z−2\frac{1}{z^{-2}}
B) z2\mathrm{z}^{2}
C) 1z2\frac{1}{z^{2}}
D) z12z^{12}

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