$2x^2-4x+1<\:0$
$\left(-5-4v\right)^2$
$\left(5^9\right)^4$
$\frac{-1+\tan\left(x\right)^2}{\sec\left(x\right)^2-2}$
$\frac{dx}{dy}=y^3$
$x^2+1ax+a^2+b^2$
$11x-4y\sqrt{\left(x^2+1\right)}\frac{dy}{dx}=0$
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