Recent content by oplik

  1. O

    Abstract Algebra: Polynomials problem

    Thank you, all of you. I think, I got it ;)
  2. O

    Abstract Algebra: Polynomials problem

    Homework Statement Let f(x)=x5-x2-1 \in C and x1,...,x5 are the roots of f over C. Find the value of the symmetric function: (2x1-x14).(2x2-x24)...(2x5-x54) Homework Equations I think, that I have to use the Viete's formulas and Newton's Binomial Theorem. The Attempt at a...
  3. O

    Continuity of a two-variable function

    Thank you
  4. O

    Continuity of a two-variable function

    Homework Statement Homework Equations My main problem is connected with b/ and d/. I found a formula involving the norm of the function, but I'm not sure if it's a good idea using it. The Attempt at a Solution I can prove that a function is not continuous by finding different values for...
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