Vijay Singh chauhan Asked a Question
November 5, 2020 9:35 ampts 30 pts
1 point Let S be a set and P(S) be the power Set of S. Then {P(S), U} 1s not a group because A. P(S) 1s not closed U. B.U 1s not associative. C. 1nverse does not cxIst. D. the identity clement does not exist. OA OB Oc O D 1 point Every automorphism f of the rational numbers Q under addition to itself has the form (a) f(x)-xf(1) (b) fx)=xf) () f(x)-xf(1) or -xf() (d) None of these OA OB OC O D
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  • Sonu saini Best Answer
    answer C B
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  • Sonu saini
    answer C B
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