已知x=(1+√2009)\2,求(4x^2-4x-2007)^2008
2个回答
=[(2x-1)^2-2008]^2008
=[(1+√2009-1)^2-2008]^2008
=[2009-2008]^2008
=1
相关问题
已知S=1X2X3+2X3X4+3X4X5+……+2007X2008X2009,求出4XS/(2007X2008X200
(1-2)x(2-3)x(3-4)x(4-5)x.x(2007-2008)x(2008-2009)
已知2007X+2008Y=2006 2008X+2007Y=2009 求(X-Y)
2010×2009-2009x2008+2008x2007-2007x2006+.+2x1
已知:a=2008x+2007,b=2008x+2008,c=2008x+2009,求a^2+b^2+c^2-ab-bc
2008+2007x2009/2008x2009-1+2009+2008x2010/2009x2010-1+2010+2
1/2008X2009 X(1X2+2X3+3X4+.+2008X2009) 求步骤!
已知a=2007x+2008,b=2007x+2009,c=2007x+2012.求多项式a^2+b^2+c^2-ab-
急求高手解答1/1x2+1/2x3+1/3x4+1/4x5+.+1/2007x2008+1/2008x2009帮忙列出每
已知a=2008x+2009,b=2008x+2008 c=2008x+2007求代数式2a^2-2ab+2b^2-2b