67x−34y+67x67x-34y+67x67x−34y+67x
sec(x)=−23\sec\left(x\right)=\frac{-2}{\sqrt{3}}sec(x)=3−2
∫(x)e−axdx\int\left(\sqrt{x}\right)e^{-ax}dx∫(x)e−axdx
dydx(x2+1)+x=2x\frac{dy}{dx}\left(x^2+1\right)+x=2xdxdy(x2+1)+x=2x
x4 − 4x4 + 4x^4\:-\:4x^4\:+\:4x4−4x4+4
5+3−(−8−9)+2+15+3-\left(-8-9\right)+2+15+3−(−8−9)+2+1
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