sin(a+π)=−sin(a)\sin\left(a+\pi\right)=-\sin\left(a\right)sin(a+π)=−sin(a)
limx→∞((x+n)3−x3n)\lim_{x\to\infty}\left(\frac{\left(x+n\right)^3-x^3}{n}\right)x→∞lim(n(x+n)3−x3)
∫−32(e2xcos(3x))dx\int_{-3}^2\left(e^{2x}cos\left(3x\right)\right)dx∫−32(e2xcos(3x))dx
3a2(4a−6a3+3)3a^2\left(4a-6a^3+3\right)3a2(4a−6a3+3)
tan(x)−sin(2x)\tan\left(x\right)-\sin\left(2x\right)tan(x)−sin(2x)
(7−2)(7+2)\left(\sqrt{7}-\sqrt{2}\right)\left(\sqrt{7}+\sqrt{2}\right)(7−2)(7+2)
limx→2x2+4x−5x−1\lim_{x\to2}\frac{x^2+4x-5}{x-1}x→2limx−1x2+4x−5
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