已知f(x)满足4f(x)(y)=f(x+y)+f(x-y)且4f(1)=1/4.求f(2011)=
已知函数f(x)满足f(1)=1/4,f(x)+f(y)=4f(x+y/2)*f(x-y/2)则f(-2011)=?
已知函数f(x)满足:f(1)=1/4,4f(x)f(y)=f(x+y)+f(x-y)(x、y属于R),求f(2010)
已知y=f(x) 满足f(x)=2f(1/x)+x,求f(x)的表达式
已知函数f(x)在实数集中满足f(XY)=f(X)+f(y)且f(x)在定义域是减函数,1.求f(1)值
已知2次函数y=f(x),满足f=(0)=1且有f(x+1)=f(x)+2x,求f(x)
f(x+y)=f(x)·f(y),且f(1)=2,求f(2)/f(1)+f(3)/f(2)+...+f(2010)/f(
已知函数f(x)满足f(2)=1/2,2f(x)f(y)=f(x+y)+f(x-y),则f(2012)=?
f(x+y)=f(x)f(y)且,x>0,f(x)属于(0,1)
高等数学f(x+y)=f(x)+f(y)/1-f(x)f(y),求f(x)
已知函数f(x)满足f(x+y)+f(x-y)=2f(x)f(y)(x∈R,y∈R),且f(0)≠1.
已知函数f(x)>0,且满足f(x·y)=f(x)·f(y),若x>1,则f(x)>1
设函数y=f(x)满足f(x+2)=-f(x),且f(2)=2,求f(-2)、f(4)、f(100)的值