or disprove. In the problem above if R and S are fields, is ROS also a field? Prove

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Q: Suppose p = 22 +1 is prime, with m > 1. Show that () = -1

A: p=22m+1 is prime, with m≥1.

Q: Question 1: (4) Solve the following system of equations using Cramer's rule: 2x + Sy = 11 -2y+3x = 7

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A: Give three mathematical examples which shows that P implies Q does not necessarily mean Q implies P.

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