Help with subspaces

john 14

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Dec 16, 2015
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First of all, sorry if I'm not clear enough, english is not my first language, i'll try me best to be clear.

My problem is:

E is a R-vectorial space

E = {p(x)[FONT=MathJax_Main]∈[/FONT] R[x]|degree p(x)3}, and the subespaces


attachment.php


I want to know the dimension and one base of E ,E1 and E2

 

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