Divya sree reddy Asked a Question
July 29, 2020 8:15 ampts 30 pts
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  • Shashi ranjan sinha Best Answer
    See the attachments...U(n) isn't a function, instead it is a group
    • cropped148676277760482286.jpg
    • cropped7001132424630203652.jpg
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  • Satpal singh thankyou
    According to me both are same.Bcoz i hv read this as Euler's phi function. if u are facing some problem regarding this plz share ur problem in discussion of this question.
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    Satpal singh
    say ur doubt