ddx,x6sinxtanx\frac{d}{dx},\frac{x^6sinx}{tanx}dxd,tanxx6sinx
2x4(2x)2x^4\left(2x\right)2x4(2x)
limx→1(2x3−x2−2x−3x3−5x+4)\lim_{x\to1}\left(\frac{2x^3-x^2-2x-3}{x^3-5x+4}\right)x→1lim(x3−5x+42x3−x2−2x−3)
12q−5=−qq+1\frac{12}{q-5}=\frac{-q}{q+1}q−512=q+1−q
(32)2−122\left(32\right)^2-122(32)2−122
x3+10x2−22xx^3+10x^2-22xx3+10x2−22x
−3+5−7−3+7−5+1-3+5-7-3+7-5+1−3+5−7−3+7−5+1
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