ddxπ . r2.h\frac{d}{dx}\pi\:.\:r^2.hdxdπ.r2.h
ddxx2−2x−1\frac{d}{dx}\frac{x^2-2}{x-1}dxdx−1x2−2
∫4x2−9dx\int\frac{4}{x^2-9}dx∫x2−94dx
−67x−821x+13x=−57-\frac{6}{7}x-\frac{8}{21}x+\frac{1}{3}x=-57−76x−218x+31x=−57
8(j+4)8\left(j+4\right)8(j+4)
(x−2)(x+1)−2(x+2)>x2+3\left(x-2\right)\left(x+1\right)-2\left(x+2\right)>x^2+3(x−2)(x+1)−2(x+2)>x2+3
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