tan2θsin2θ=tan2θ−sin2θ\tan^2\theta\sin^2\theta=\tan^2\theta-\sin^2\thetatan2θsin2θ=tan2θ−sin2θ
9.6 + 11.5 − 21.8+34.79.6\:+\:11.5\:-\:21.8+34.79.6+11.5−21.8+34.7
∫−1x1−x2dx\int-\frac{1}{x\sqrt{1-x^2}}dx∫−x1−x21dx
x2−1(x+1)2\frac{x^2-1}{\left(x+1\right)^2}(x+1)2x2−1
ddxx2y3+2x3=4x−5y\frac{d}{dx}x^2y^3+2x^3=4x-5ydxdx2y3+2x3=4x−5y
(x + 2)(x − 1) + (x + 3)(x + 2) +x + 2\left(x\:+\:2\right)\left(x\:-\:1\right)\:+\:\left(x\:+\:3\right)\left(x\:+\:2\right)\:+x\:+\:2(x+2)(x−1)+(x+3)(x+2)+x+2
4a2−9−a2−93(2a+3)2\frac{4a^2-9-a^2-9}{3\left(2a+3\right)^2}3(2a+3)24a2−9−a2−9
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