25x2+80xy+9x25x^2+80xy+9x25x2+80xy+9x
ddx(a2xx2−2)\frac{d}{dx}\left(\frac{a^{2x}}{x^2-2}\right)dxd(x2−2a2x)
y′=(3x2+4x+2)2(y−1)\:y'=\frac{\left(3x^2+4x+2\right)}{2\left(y-1\right)}y′=2(y−1)(3x2+4x+2)
11+0.04c+c11+0.04c+c11+0.04c+c
limx→11(1−cos2x1−senx)\lim_{x\to11}\left(\frac{1-\cos2x}{1-senx}\right)x→11lim(1−senx1−cos2x)
(2a +3b)3\left(2a\:+3b\right)^3(2a+3b)3
3(1−2x)≤03\left(1-2x\right)\le03(1−2x)≤0
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