Question: 10. (0 Find a primitive root modulo 4. (ii) Show that there is no primitive root modulo 8. (iii) Let n be an integer with

10. (0 Find a primitive root modulo 4. (ii) Show that there is no primitive root modulo 8. (iii) Let n be an integer with n 2 3. By using induction, show that 02H: E 1 mod 2\" for any odd integer 0. (iv) By using part (iii), show that there is no primitive root modulo 2H for all n 2 3

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