作业帮若∫f ( x )dx=2^x+2x^2+c , 则∫x=
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若∫f ( x )dx=2^x+2x^2+c , 则∫x=
若∫f ( x )dx=2^x+2x^2+c , 则∫x=
若∫f ( x )dx=2^x+2x^2+c , 则∫x=
f(x)=(2^x+2x²+c)'
=ln2*2^x+4x
而∫xdx=x²/2+C
df(x,y)=f1'(x,y)dx+f2'(x,y)dy。两边除以dx。有d(f(x,x^2))/dx=f1'(x,x^2)+f2'(x,x^2)*dy/dx 则4x^3+6x^2+1=2x^2-
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若∫f ( x )dx=2^x+2x^2+c , 则∫x=
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