Input:
d(d(sin(x),x,0.5),x,0.5)
Write:
d(d(sin(x),x,0.5),x,0.5)
Output:
\frac{d^{{0.5}}\frac{d^{{0.5}}sin(x)}{dx^{{0.5}}}}{dx^{{0.5}}}== cos(x)
(d^1.6y)/(dx^1.6)-int y(x) (dx)^(0.8)-y-exp(x)=0
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