(−12)+(+21)+(3+2 x 5 − 9)\left(-12\right)+\left(+21\right)+\left(3+2\:x\:5\:-\:9\right)(−12)+(+21)+(3+2x5−9)
limx→∞(x2x2−12)\lim_{x\to\infty}\left(\frac{x}{\sqrt[2]{2x^2-1}}\right)x→∞lim(22x2−1x)
8sin(2x)sin(x)=8cos(x)8\sin\left(2x\right)\sin\left(x\right)=8\cos\left(x\right)8sin(2x)sin(x)=8cos(x)
cosx = 45cosx\:=\:\frac{4}{5}cosx=54
∫(4xarcsin(x2))dx\int\left(4x\arcsin\left(x^2\right)\right)dx∫(4xarcsin(x2))dx
ln(x) +1 = 0ln\left(x\right)\:+1\:=\:0ln(x)+1=0
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