4x5 +7\frac{4x}{\sqrt{5\:}+\sqrt{7}}5+74x
3(x−1)2=63\left(x-1\right)^2=63(x−1)2=6
5511\frac{5}{\frac{5}{11}}1155
36⋅9436\cdot9436⋅94
(2x−1)(x2−3x−7)\left(2x-1\right)\left(x^2-3x-7\right)(2x−1)(x2−3x−7)
4043494^04^34^9404349
d2ydx2(1+(dydx)2)\frac{d^2y}{dx^2}\left(\sqrt{1+\left(\frac{dy}{dx}\right)^2}\right)dx2d2y⎝⎛1+(dxdy)2⎠⎞
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