f(x)=b√(x+4) x>0;f(x)=3+cosx x≤0 在x=0点连续,则b=?
f(x)在[a,b]上连续,在(a,b) 内可导,且 f '(x)≤0,F(x)=1/(x-a)∫(x-a)f(t)dt
已知f(x)在x=0的某个邻域内连续,且f(0)=0,limx→0f(x)1-cosx=2,则在点x=0处f(x)(
设f(x)在处可导,a b为常数,则lim¤x趋近0{f(x+a¤x)-f(x-b¤x)}/¤x=?
f(x)在[0,1]连续,f(x)=3x-√(1-x^2)[∫f^2(x)]dx,求f(x)
设f(x)在[0,+∞)上连续,且∫(0,x)f(t)dt=x(1+cosx),则f(x)=?
设函数f(x)在区间[a,b]上连续,在(a,b)内可导且f'(x)≤0,F(X)=1\(x-a)·∫<a,x>f(t)
若f(x)在[a,b]上连续,在(a,b)内可导,|f'(x)|小于等于M,f(a)=0,求证:f(x)dx在[a,b]
若奇函数f(x)在x>0时f(x)=sinx-cosx求x
已知奇函数f(x)在x>0时f(x)=sinx-cosx,求x
设f‘(x)在[a,b]上连续,且f(a)=0,证明:|∫b a f(x)dx|
函数f(x)=ln(x+1)-f(0)x-f’(0)x²+2,若f(x)≤x²+ax+b,求(b-3
设f(x)在点x=0处连续,当x不等于0时f(x)=2^(-1/x^2),则f(0)=?