8mb4; m=−1; b=38mb^4;\:m=-1;\:b=38mb4;m=−1;b=3
a2−6a−27a^2-6a-27a2−6a−27
2x+3−x2−2x+x22x+3-x^2-2x+x^22x+3−x2−2x+x2
∫4+(x2+1)2x2+1dx\int\frac{\sqrt{4+\left(x^2+1\right)^2}}{x^2+1}dx∫x2+14+(x2+1)2dx
1−cos2x=3cos2x1-cos^2x=3cos^2x1−cos2x=3cos2x
12x2−7x+12012x^2-7x+12012x2−7x+120
9489\sqrt{48}948
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