f(xy)=f(x)f(y)
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f(xy)=f(x)+f(y),证明f(x/y)=f(x)-f(y)f(xy)=f(x)+f(y),证明f(x/y)=f(x)-f(y)f(xy)=f(x)+f(y),证明f(x/y)=f(x)-f(y)证明令x=x/y,y=y∵f(xy)
f(x+y)=f(x)+f(y)+2xyf(x+y)=f(x)+f(y)+2xyf(x+y)=f(x)+f(y)+2xy游客1:定义在R上的函数f(x)满足f(x+y)=f(x)+f(y)+2xy(x,y∈R)f(1)=2,则f(-3)=?
f(x+y)+f(xy-1)=f(x)f(y)+2f(n)表达式f(x+y)+f(xy-1)=f(x)f(y)+2f(n)表达式f(x+y)+f(xy-1)=f(x)f(y)+2f(n)表达式求什么设x=0,y=0则f(0)+f(-1)=f
f(xy)=f(x)+f(y)的单调性f(xy)=f(x)+f(y)的单调性f(xy)=f(x)+f(y)的单调性令x=y=0f(0)=f(0)+f(0)f(0)=0令y=-xf(x-x)=f(x)+f(-x)0=f(x)+f(-x)f(x
f(xy)=f(x)+f(y),证明f(1/x)=-f(x)f(xy)=f(x)+f(y),证明f(1/x)=-f(x)f(xy)=f(x)+f(y),证明f(1/x)=-f(x)证明:取x=1,y=1,则f(xy)=f(x)+f(y)即f
已知f(xy)=f(x)+f(y),求证f(x/y)=f(x)-f(y)已知f(xy)=f(x)+f(y),求证f(x/y)=f(x)-f(y)已知f(xy)=f(x)+f(y),求证f(x/y)=f(x)-f(y)f(xy)=f(x)+f
f(x/Y)=f(x)-f(y)求证明f(xy)=f(x)+f(y)f(x/Y)=f(x)-f(y)求证明f(xy)=f(x)+f(y)f(x/Y)=f(x)-f(y)求证明f(xy)=f(x)+f(y)因为f(x)=f(xy/y)=f(x
以知f(xy)=f(x)+f(y)求证f(x/y)=f(x)-f(y)以知f(xy)=f(x)+f(y)求证f(x/y)=f(x)-f(y)以知f(xy)=f(x)+f(y)求证f(x/y)=f(x)-f(y)因为f(xy)=f(x)+f(
以知f(x/y)=f(x)-f(y)求证f(xy)=f(x)+f(y)以知f(x/y)=f(x)-f(y)求证f(xy)=f(x)+f(y)以知f(x/y)=f(x)-f(y)求证f(xy)=f(x)+f(y)f(x/y)=f(x)-f(y
函数f(xy)=f(x)+f(y)如何推出f(x)-f(y)f(xy)=f(x)+f(y)如何推出f(x)-f(y)=f(x/y)还有f(x+y)=f(x)+f(y)如何推出f(x-y)=f(x)-f(y)函数f(xy)=f(x)+f(y)
f(xy)=f(x)+f(y),f(2)=1,f(3)=?f(xy)=f(x)+f(y),f(2)=1,f(3)=?f(xy)=f(x)+f(y),f(2)=1,f(3)=?f(xy)=f(x)+f(y)令x=2,y=1代入得f(2)=f(
f(xy)=f(x)+f(y)且f(8)=3则f(2)=f(xy)=f(x)+f(y)且f(8)=3则f(2)=f(xy)=f(x)+f(y)且f(8)=3则f(2)=f(4)=f(2)+f(2)=2f(2)f(8)=f(4)+f(2)3=
f(xy)=f(x)+f(y),f(8)=3,则f(根2)等于f(xy)=f(x)+f(y),f(8)=3,则f(根2)等于f(xy)=f(x)+f(y),f(8)=3,则f(根2)等于f(xy)=f(x)+f(y),f(8)=3,f(8)
f(xy)=f(x)+f(y),f(8)=3,求f(√2),f(xy)=f(x)+f(y),f(8)=3,求f(√2),f(xy)=f(x)+f(y),f(8)=3,求f(√2),f(8)=f(2根2)+f(2根2);f(2根2)=f(2)
给出下列3个等式f(xy)=f(x)+f(y),f(x+y)=f(x)f(y),f(x+y)=f(x)+f(y),则下列函数中不满足其中任何一个等式的是A:f(x)=3∧xB:f(x)=x∧aC:f(x)=kx(k≠0)给出下列3个等式f(
给出下列三个等式f(x+y)=f(x)+f(y),f(x+y)=f(x).f(y),f(xy)=f(x)+f(y),则下列函数中不满足其中任何一个等式的是()A.f(x)=2xB.f(x)=2^xC.f(x)=log以2为底x的对数D.f(
给出下列三个等式,f(xy)=f(x)+f(y),f(x+y)=f(x)f(y),f(x+y)=f(x)+f(y),下列函数中不满足其中任何一个等式的是()A.f(x)=3的x次方B.f(x)=以2为底x的对数C.f(x)=x的a次方(a不
已知f(x+y)=f(x)+f(y)+2xy,求f(0)已知f(x+y)=f(x)+f(y)+2xy,求f(0)已知f(x+y)=f(x)+f(y)+2xy,求f(0)令x=y=0f(0)=f(0)+f(0)f(0)=0
若f(xy)=f(x)+f(y)且f(4)=1求f(1/16)若f(x+y)=f(xy)求f(1)若f(xy)=f(x)+f(y)且f(4)=1求f(1/16)若f(x+y)=f(xy)求f(1)若f(xy)=f(x)+f(y)且f(4)=
f(x)=y满足f(xy)=f(x)+f(y)求f(1),f(-1)f(x)=y满足f(xy)=f(x)+f(y)求f(1),f(-1)f(x)=y满足f(xy)=f(x)+f(y)求f(1),f(-1)1.f(1)=f(1×1)=f(1)