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. one-one and onto
B. onto not one-one
C. one-one not onto
D. neither one-one 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?