On 1/20/20 5:44 AM, 'Martin R' via FriCAS - computer algebra system wrote:
> Actually, this is a proper bug in FriCAS, because the translation of
> your integral is
>
> integrate((%i*a*tan(d*x + c) + a)*sec(d*x + c)^10, x)
>
> (note the "%i" instead of "I", which is FriCAS' complex unity, "I" is
> just any other variable for FriCAS)
Seems fixed in SVN repo? Though I'm not sure which commit fixed it.
(1) -> integrate((%i*a*tan(d*x + c) + a)*sec(d*x + c)^10, x)
(1)
%i d x + %i c 10 %i d x + %i c 8
64512 %i a (%e ) + 53760 %i a (%e )
+
%i d x + %i c 6 %i d x + %i c 4
30720 %i a (%e ) + 11520 %i a (%e )
+
%i d x + %i c 2
2560 %i a (%e ) + 256 %i a
/
%i d x + %i c 20 %i d x + %i c 18
315 d (%e ) + 3150 d (%e )
+
%i d x + %i c 16 %i d x + %i c 14
14175 d (%e ) + 37800 d (%e )
+
%i d x + %i c 12 %i d x + %i c 10
66150 d (%e ) + 79380 d (%e )
+
%i d x + %i c 8 %i d x + %i c 6
66150 d (%e ) + 37800 d (%e )
+
%i d x + %i c 4 %i d x + %i c 2
14175 d (%e ) + 3150 d (%e ) + 315 d
Type:
Union(Expression(Complex(Integer)),...)
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