微分求值,要过程
1个回答
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(1)
y=x^2+e^x -ln2
y'=2x+e^x
(2)
y= √x.e^x
y' =(√x + 1/(2√x) ] .e^x
(3)
f(x)= sinx+cosx
df(x) = (cosx -sinx)dx
(4)
y=e^(3x)+ sinx
dy =( 3e^(3x) + sinx ) dx
(5)
f(x) = e^x +lnsinx
f'(x) = e^x + tanx
f'(1) = e + tan1
(6)
f(x)= sin(ax^2)
f'(x) = 2ax.cos(ax^2)
f'(a)= 2a^2. cos(a^3)
y=x^2+e^x -ln2
y'=2x+e^x
(2)
y= √x.e^x
y' =(√x + 1/(2√x) ] .e^x
(3)
f(x)= sinx+cosx
df(x) = (cosx -sinx)dx
(4)
y=e^(3x)+ sinx
dy =( 3e^(3x) + sinx ) dx
(5)
f(x) = e^x +lnsinx
f'(x) = e^x + tanx
f'(1) = e + tan1
(6)
f(x)= sin(ax^2)
f'(x) = 2ax.cos(ax^2)
f'(a)= 2a^2. cos(a^3)
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