x2+90x+2025x^2+90x+2025x2+90x+2025
0.5r+2.75r0.5r+2.75r0.5r+2.75r
∣19+(−30)∣\left|19+\left(-30\right)\right|∣19+(−30)∣
y′ −2y=2e3t ; y(0)=1y^{'\:}-2y=2e^{3t}\:\:;\:\:y\left(0\right)=1y′−2y=2e3t;y(0)=1
limx→4(x−16x2+2x−24)\lim_{x\to4}\left(\frac{x-16}{x^2+2x-24}\right)x→4lim(x2+2x−24x−16)
∫2x+1(x+2)(x+1)2dx\int\frac{2x+1}{\left(x+2\right)\left(x+1\right)^2}dx∫(x+2)(x+1)22x+1dx
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