z−4=3z-4=3z−4=3
dydx=e−xx2\frac{dy}{dx}=e^{-x}x^2dxdy=e−xx2
14ma−14mb+14mc\frac{1}{4}ma-\frac{1}{4}mb+\frac{1}{4}mc41ma−41mb+41mc
cos2(nx)cos^2\left(nx\right)cos2(nx)
limx→2(4x2−6x22x)\lim_{x\to2}\left(\frac{4x^2-6x^2}{2x}\right)x→2lim(2x4x2−6x2)
∫2x3−4x2−15x+5x2−3x−8dx\int\frac{2x^3-4x^2-15x+5}{x^2-3x-8}dx∫x2−3x−82x3−4x2−15x+5dx
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