−370+76-370+76−370+76
f+72f+7^2f+72
limx→2(e2x−1−ex2−4)\lim_{x\to2}\left(\frac{e^{2x-1}-e}{x^2-4}\right)x→2lim(x2−4e2x−1−e)
limx→2(x2−2xx+2)\lim_{x\to2}\left(\frac{x^2-2x}{x+2}\right)x→2lim(x+2x2−2x)
(3x−2y+3)2\left(3x-2y+3\right)^2(3x−2y+3)2
y⋅1y+1=11−(y−1)\sqrt{y}\cdot\frac{1}{y}+1=\frac{1}{1-\left(\sqrt{y}-1\right)}y⋅y1+1=1−(y−1)1
1−cos2xtan2(x)+2sin(x)2\frac{1-cos^2x}{\tan^2\left(x\right)}+2\sin\left(x\right)^2tan2(x)1−cos2x+2sin(x)2
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