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... Examples 1) The set of all real-coefficient polynomials of degree three, together with usual addition and multiplication, is not a vector space. 2) The set of all rational numbers with standard addition and multiplication is a not vector space. However, the set of all real numbers (complex numbers) ...
... Examples 1) The set of all real-coefficient polynomials of degree three, together with usual addition and multiplication, is not a vector space. 2) The set of all rational numbers with standard addition and multiplication is a not vector space. However, the set of all real numbers (complex numbers) ...
