不定积分∫x2ex3dx=\int x^{2}e^{x^{3}}dx = ∫x2ex3dx=( )
(A)ex3+Ce^{x^{3}}+Cex3+C
(B)3ex3+C3e^{x^{3}}+C3ex3+C
(C)3ex33e^{x^{3}}3ex3
(D)13ex3+C\dfrac{1}{3}e^{x^{3}}+C31ex3+C
已知f(x)=lnxf(x)=\ln xf(x)=lnx,φ(x)=esinx2\varphi(x)=e^{\sin x^{2}}φ(x)=esinx2,则复合函数f[φ(x)]=f[\varphi(x)]=f[φ(x)]=( ).
已知函数f(x)f(x)f(x)在点x=3x = 3x=3处可导,若极限limx→3f(x)=−4\lim\limits_{x \to 3}f(x)= - 4x→3limf(x)=−4,则f(3)=f(3)=f(3)=( ).
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