Anku Asked a Question
April 4, 2021 9:32 ampts 30 pts
pls once explain why text inside green box is not possible. . . . . .
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  • Piyush thankyou
    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 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 ..
    • cropped5093012808063405132.jpg
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