20−15mas 4520-15mas\:4520−15mas45
−2x3+9x2+11x−30-2x^3+9x^2+11x-30−2x3+9x2+11x−30
−(x−3)(x+4)-\left(x-3\right)\left(x+4\right)−(x−3)(x+4)
ddxx2+y2\frac{d}{dx}\sqrt{x^2+y^2}dxdx2+y2
5x3y2−7x2y35x^3y^2-7x^2y^35x3y2−7x2y3
limx→∞(x+2x+3−1)\lim_{x\to\infty}\left(\frac{x+2}{\sqrt{x+3}-1}\right)x→∞lim(x+3−1x+2)
94+2m+8m=12494+2m+8m=12494+2m+8m=124
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