(csc(x))(csc(x)+cot(x))\left(csc\left(x\right)\right)\left(csc\left(x\right)+cot\left(x\right)\right)(csc(x))(csc(x)+cot(x))
x(x−2)(x+1)=0x\left(x-2\right)\left(x+1\right)=0x(x−2)(x+1)=0
−9j = −81-9j\:=\:-81−9j=−81
∫x−4x4 − x2dx\int\frac{x-4}{x^4\:-\:x^2}dx∫x4−x2x−4dx
limx→0(ex−e−x−2x1−sen x)\lim_{x\to0}\left(\frac{e^x-e^{-x}-2x}{1-sen\:x}\right)x→0lim(1−senxex−e−x−2x)
16a2b+48a3b2+80a4b−96ab316a^2b+48a^3b^2+80a^4b-96ab^316a2b+48a3b2+80a4b−96ab3
5x<4005x<4005x<400
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