Anku posted an Question
April 04, 2021 • 15:02 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Pls once explain why text inside green box is not possible

pls once explain why text inside green box is not possible. . . . . .

2 Answer(s) Answer Now
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    Piyush pachauri best-answer

    Value of y can not be -1 and 2 at the same time. That's why it is impossible.

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    Deepak singh 1 Best Answer

    because here y=-1 and y= 2 both . Its impossible . implies there exist an element (10,11,12)€R^3 which does not have preimage in R^2 . Thus not onto ..

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