grandes-ecoles 2012 QI.A.3

grandes-ecoles · France · centrale-maths1__mp Not Maths Properties and Manipulation of Power Series or Formal Series
Show that if $f$ and $g$ have compact support, then $f * g$ has compact support. 
Show that if $f$ and $g$ have compact support, then $f * g$ has compact support.
Paper Questions
QI.A.1 QI.A.2 QI.A.3 QI.B.1 QI.B.2 QI.B.3 QI.B.4 QI.B.5 QI.C.1 QI.C.2 QI.C.3 QI.D.1 QI.D.2 QI.D.3 QI.D.4 QII.A QII.B.1 QII.B.2 QII.C.1 QII.C.2 QII.C.3 QII.D.1 QII.D.2 QIII.A.1 QIII.A.2 QIII.A.3 QIII.A.4 QIII.B.1 QIII.B.2 QIII.C.1 QIII.C.2 QIII.C.3 QIII.C.4 QIII.C.5 QIII.C.6 QIII.C.7