Let Ri =x R
Chapter 6, Problem 6.37(choose chapter or problem)
Let Ri =x R|1 x 1+ 1 i =1, 1+ 1 i for all positive integers i. a. 4 i=1 Ri =?b . 4 i=1 Ri =? c. Are R1, R2, R3,...mutually disjoint? Explain.d.n i=1Ri =?e . n i=1 Ri =?f. i=1Ri =?g . i=1
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