limx→−∞(x2cos(x)e1−x)\lim_{x\to-\infty}\left(\frac{x^2\cos\left(x\right)}{e^{1-x}}\right)x→−∞lim(e1−xx2cos(x))
(−18)−(−10)\left(-18\right)-\left(-10\right)(−18)−(−10)
limx→0(8x−7x5x−4x)\lim_{x\to0}\left(\frac{8^x-7^x}{5^x-4^x}\right)x→0lim(5x−4x8x−7x)
4y−12−y4y-12-y4y−12−y
(i+i2+i3)2\left(i+i^2+i^3\right)^2(i+i2+i3)2
−3x2−2x+5+4x2−7x+6-3x^2-2x+5+4x^2-7x+6−3x2−2x+5+4x2−7x+6
∫12(1+4t2)dx\int_1^2\left(\sqrt{1+4t^2}\right)dx∫12(1+4t2)dx
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