−3(x−4y+4y−x)-3\left(x-4y+4y-x\right)−3(x−4y+4y−x)
limx→0(1−sin(x))\lim_{x\to0}\left(1-sin\left(x\right)\right)x→0lim(1−sin(x))
dydx=e4x−2\frac{dy}{dx}=e^{4x}-2dxdy=e4x−2
x3+1−x2−2x^3+1-x^2-2x3+1−x2−2
4cos2(x)+2=64\cos^2\left(x\right)+2=64cos2(x)+2=6
y+x+yy+x+yy+x+y
limy→0(tan3(x+y)−tan(3x)y)\lim_{y\to0}\left(\frac{\tan3\left(x+y\right)-\tan\left(3x\right)}{y}\right)y→0lim(ytan3(x+y)−tan(3x))
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