Rudra dev Asked a Question
September 7, 2020 3:44 pmpts 30 pts
Consider the map f:Q>R defined by (i) s(0)-0 (ii) Sr) = where r- with peZ, qeN and gcd (p,q) =1. Then the map J 1s (a) One-to-one and onto (b) Not one-to-one, but onto (c) Onto but not one-to-one (d) Neither one-to-one nor onto
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  • Deepak singh Best Answer
    see attached explanation
    • cropped1696731168990817010.jpg
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  • Deepak singh thankyou
    if any doubt then ask
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  • Deepak singh
    option d is correct
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    Rudra dev
    thanks
  • Nagalakshmi.a
    how f (2/1)=2/10
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