2n2 + 7n −92=82n^2\:+\:7n\:-92=82n2+7n−92=8
535034+231475^{3^{5^{0^{3^4}}}}+2^{3^{1^{4^7}}}535034+23147
x+4x=1x+\frac{4}{x}=1x+x4=1
limx→12(6x−1x)\lim_{x\to\frac{1}{2}}\left(\frac{6x-1}{x}\right)x→21lim(x6x−1)
∫cos (3x)⋅sec(x)\int cos\:\left(3x\right)\cdot\sec\left(x\right)∫cos(3x)⋅sec(x)
−81-\sqrt{81}−81
xy2y′=x+1xy^2y'=x+1xy2y′=x+1
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