大一高数微积分,能做几道是几道

44F(x)=根号下x,F'(x)=1/2根号下xT=F(m+1)-F(m)=F'(a)(m+1-m)=1/2根号下a a属于(m,m+1)根号下a>N1/2根号下a0 f(x)=limx->0(x-1)S(0,x^2)y(u)du/2x=limx->0[(x-1)S(0,x^2)y(u)du+2x(x-1)y(x^2)]/2 =0=f(0)连续limx->0 f(x)/x=limx->0(x-1)S(0,x^2)y(u)du/3x^2=limx->0[(x-1)S(0,x^2)y(u)du+2x(x-1)y(x^2)]/6x= limx->0[(x-1)x^2y(a) +2x(x-1)y(x^2)]/6x= limx->0[(x-1)xy(a) +2(x-1)y(x^2)]/6=-y(0)/3 可导 再问： �ٰ�����һ��