d2dx2(x2+bx+c)\frac{d^2}{dx^2}\left(x^2+bx+c\right)dx2d2(x2+bx+c)
limx→3(x−32x2−18)\lim_{x\to3}\left(\frac{\sqrt{x}-\sqrt{3}}{2x^2-18}\right)x→3lim(2x2−18x−3)
sin(−t)1+cos(−t)−csc(−t)\frac{\sin\left(-t\right)}{1+\cos\left(-t\right)}-\csc\left(-t\right)1+cos(−t)sin(−t)−csc(−t)
4x2−4x+74x^2-4x+74x2−4x+7
a4 − 64a^4\:-\:64a4−64
∫0x3(e−u)du\int_0^{x^3}\left(e^{-u}\right)du∫0x3(e−u)du
sen2x+senxcos2x + cosx + 1=tan(x)\frac{sen2x+senx}{cos2x\:+\:cosx\:+\:1}=\tan\left(x\right)cos2x+cosx+1sen2x+senx=tan(x)
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