a3+b3a^3+b^3a3+b3
limx→4(−3xx−2)\lim_{x\to4}\left(-\frac{3x}{x-2}\right)x→4lim(−x−23x)
dx−xdy=0d x - x d y = 0dx−xdy=0
(−a′sin(x) cos(x))(−sin(x))+(a′ cos(x))=cscx\left(-a'\frac{\sin\left(x\right)\:}{\cos\left(x\right)}\right)\left(-\sin\left(x\right)\right)+\left(a'\:\cos\left(x\right)\right)=cscx(−a′cos(x)sin(x))(−sin(x))+(a′cos(x))=cscx
limx→−∞(x2+3x3+x2−1)\lim_{x\to-\infty}\left(\frac{x^2+3}{x^3+x^2-1}\right)x→−∞lim(x3+x2−1x2+3)
ddxy=4\frac{d}{dx}\sqrt{y}=4dxdy=4
3+5.3−5\sqrt{3+\sqrt{5}}.\sqrt{3-\sqrt{5}}3+5.3−5
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