sant singh sukha singh school
posted by sharan .
The mapping is f:N →N, given by F(n)= 2n^3=1,n belongs to N.
A. oneone and onto
B. onto not oneone
C. oneone not onto
D. neither oneone nor onto

Your school's name is not the subject of the question.
Is that really supposed to be an = sign between n^3 and 1?
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