(√6+1)^2008-2*(√6+1)^2007-5*(√6+1)^2006+2006

题目

(√6+1)^2008-2*(√6+1)^2007-5*(√6+1)^2006+2006
好像很简单,可我不会做,快!
谢谢,要详细过程!小女子不胜感激!

答案

(√6+1)^2008-2*(√6+1)^2007-5*(√6+1)^2006+2006
=(√6+1)^2006*(7+2√6-2√6-2-5)+2006
=0+2006
=2006