grandes-ecoles 2012 QI.B

grandes-ecoles · France · centrale-maths1__psi Not Maths Properties and Manipulation of Power Series or Formal Series
Show that if $E$ is not empty, then $E$ is an unbounded interval of $\mathbb{R}$. 
Show that if $E$ is not empty, then $E$ is an unbounded interval of $\mathbb{R}$.
Paper Questions
QI.A QI.B QI.C QII.A QII.B QII.C QIII.A QIII.B QIII.C QIII.D QIV.A QIV.B QIV.C QIV.D QV.A QV.B QV.C QV.D QV.E QV.F QV.G QVI.A QVI.B QVI.C QVII.A QVII.B QVIII.A QVIII.B QVIII.C QVIII.D QVIII.E QVIII.F QVIII.G