(3x−1)(2−x)\left(3x-1\right)\left(2-x\right)(3x−1)(2−x)
1,3b+7,8b−3,2b1,3b+7,8b-3,2b1,3b+7,8b−3,2b
∫yaydx\int ya^ydx∫yaydx
3a2−7b2x+3ax−7ab23a^2-7b^2x+3ax-7ab^23a2−7b2x+3ax−7ab2
(c2 − 3c) (c2 + 3c)\left(c^2\:-\:3c\right)\:\left(c^2\:+\:3c\right)(c2−3c)(c2+3c)
x−1x2−1+xx+1=1\frac{x-1}{x^2-1}+\frac{x}{x+1}=1x2−1x−1+x+1x=1
cot(−t)+tan(−t)cot(t)=−sec2(t)\frac{\cot\left(-t\right)+\tan\left(-t\right)}{\cot\left(t\right)}=-\sec^2\left(t\right)cot(t)cot(−t)+tan(−t)=−sec2(t)
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