limx→−2(sen3xsen5x)\lim_{x\to-2}\left(\frac{sen3x}{sen5x}\right)x→−2lim(sen5xsen3x)
dydx=43y−3y2\frac{dy}{dx}=43y-3y^2dxdy=43y−3y2
10 : (−5) . 6 10\::\:\left(-5\right)\:.\:6\:10:(−5).6
3x−12>4x−183x-12>4x-183x−12>4x−18
345−1+7345-1+7345−1+7
x2−3x=7x^2-3x=7x2−3x=7
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