设f'(x)=e^(-x^2),limf(x)=0,求∫(0,+∞)x^2*f(x)dx
设f'(x)=e^(-x^2),limf(x)=0,求∫(0,+∞)x^2*f(x)dx
设f(x)=x㏑(1+x^2),x≥0.(x^2+2x-3)e^(-x),x<0,求∫f(x)dx
若f(x)=e^x+2∫(0 1)f(x)dx 求f(x)
设x≤0时,f(x)=1+x^2,x>0时,f(x)=e^(-x),求∫(1,3)f(x-2)dx
设函数在(-∝,∞)内可导,且f(x)=e^-2x+limf(x),x->0则f'(x)等于?
f(x)=e^x/x,求∫f'(x)dx/1+f^2(x)?
设函数f(x)在(-∞,+∞)上连续,且f(x)=e^x+1/e∫(0,1)f(x)dx,求f(x)
设f(x)=∫【x,1】((e)^(-t^2))dt,求∫【1,0】f(x)dx
设f(x)是连续函数,且满足∫[0,x]f(x-t)dt=e^(-2x)-1,求定积分∫[0,1]f(x)dx
设f(x)=当x0时为arccot-2/(x^2),求lim f(x) x->0-,lim f(x)x->0+,limf
设f(x)=x+√x(x>0),求∫f′(x²)dx
设f(0)=0,f'(0)=2,求limf(x)/sin 2x ,x 趋向于0