求导 1.fx=e^x*sinx 2.fx=(x^2-ax+1)e^x 3.fx=x-3/x-2 4.fx=(e^x+1)x^2

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求导 1.fx=e^x*sinx 2.fx=(x^2-ax+1)e^x 3.fx=x-3/x-2 4.fx=(e^x+1)x^2
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求导 1.fx=e^x*sinx 2.fx=(x^2-ax+1)e^x 3.fx=x-3/x-2 4.fx=(e^x+1)x^2
求导 1.fx=e^x*sinx 2.fx=(x^2-ax+1)e^x 3.fx=x-3/x-2 4.fx=(e^x+1)x^2

求导 1.fx=e^x*sinx 2.fx=(x^2-ax+1)e^x 3.fx=x-3/x-2 4.fx=(e^x+1)x^2
fx=e^x*sinx
f′(x)=e^xsinx+e^xcosx;
2.fx=(x^2-ax+1)e^x
fˊ(x)=e^x(2x-a)+e^x(x^2-ax+1)
=e^x(x^2+(2-a)x+1-a);
3.fx=x-3/x-2
fˊ(x)=(x-2-(x-3))/(x-2)²=1/(x-2)²;
4.fx=(e^x+1)x^2
f′(x)=2x(e^x+1)+e^x×x²
=x²e^x+2xe^x+2x;
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1
.fx=e^x*sinx
f'(x)=e^x*sinx+e^xcosx
=(sinx+cosx)e^x


2.fx=(x^2-ax+1)e^x
f'(x)=(2x-a)e^x+(x^2-ax+1)e^x
=[x^2+(2-a)x+1-a]e^x


3.fx=x-3/x-2
f'(x)=1+3/x^2

4.fx=(e^x+1)x^2
f'(x)=e^x*x^2+2x*(e^x+1)