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x+4<−9x+4<-9x+4<−9
x2−2x+1=16x^2-2x+1=16x2−2x+1=16
3,4 x 0.2−1,2 x 0,8+3,20,163,4\:x\:0.2-1,2\:x\:0,8+\frac{3,2}{0,16}3,4x0.2−1,2x0,8+0,163,2
∫12x−35x2−6x+9dx\int\frac{12x-35}{x^2-6x+9}dx∫x2−6x+912x−35dx
sin(x)⋅cos(x)cos2(x)−sin2(x)=12tan(2x)\frac{\sin\left(x\right)\cdot\cos\left(x\right)}{\cos^2\left(x\right)-\sin^2\left(x\right)}=\frac{1}{2}\tan\left(2x\right)cos2(x)−sin2(x)sin(x)⋅cos(x)=21tan(2x)
limx→1x−1x2+3x−1\lim_{x\to1}\frac{x-1}{x^2+3x-1}x→1limx2+3x−1x−1
(−15).2−(−16)+(−8)\left(-15\right).2-\left(-16\right)+\left(-8\right)(−15).2−(−16)+(−8)
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