已知13x²-6xy+y²-4x+1=0,求(x+y)2013次方×x2014次方的值,,,,求解
已知13x²-6xy+y²-4x+1=0,求(x+y)2013次方×x2014次方的值,,,,求解!!!!!!...
已知13x²-6xy+y²-4x+1=0,求(x+y)2013次方×x2014次方的值,,,,求解!!!!!!
展开
2014-06-14
展开全部
13x^2-6xy+y^2-4x+1=0
9x^2-6xy+y^2+4x^2-4x+1=0
(3x-y)^2+(2x-1)^2=0
y=3x,x=1/2
y=3*1/2=3/2
(x+y)^2013*x^2011
=(x+y)^2(x+y)^2011*x^2011
=(x+y)^2[(x+y)*x]^2011
=(1/2+3/2)^2[(1/2+3/2)*1/2]^2011
=2^2*1^2011
=4*1
=4
9x^2-6xy+y^2+4x^2-4x+1=0
(3x-y)^2+(2x-1)^2=0
y=3x,x=1/2
y=3*1/2=3/2
(x+y)^2013*x^2011
=(x+y)^2(x+y)^2011*x^2011
=(x+y)^2[(x+y)*x]^2011
=(1/2+3/2)^2[(1/2+3/2)*1/2]^2011
=2^2*1^2011
=4*1
=4
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询