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Vijay posted an Question
October 06, 2020 • 23:16 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Fand g are one-one and onto, then gof is: (a) only one-one (b) only onto (c) one-one and onto (d) none of these.

fand g are one-one and onto, then gof is: (a) only one-one (b) only onto (c) one-one and onto (d) None of these.

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    Jagat Chaudhary

    If f and g are two bijections; then gof is a bijection and (gof)^−1=f^−1 o g^−1

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    Vijay Singh chauhan

    Thank you for helping in clearing my doubts.

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    Deepak singh 1 Best Answer

    option c is correct composition of bijective function is bijective if any doubt then ask

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