I checked this on my SageMath v9.6.beta5 on Ubuntu 20.04 LTS, and it checks out
[image: Screenshot from 2022-04-03 14-58-46.png] On Sunday, April 3, 2022 at 2:57:35 PM UTC+5:30 Adarsh Kishore wrote: > By the way, f.expand() is not wrong. The expression is identically equal > to 0 for all values of x, y and z. > > https://www.mathpapa.com/algebra-calculator.html?q=(x-y)%5E2*(y-z)*(z-x)%2B(y-z)%5E2*(z-x)*(x-y)%2B(z-x)%5E2*(x-y)*(y-z) > > [image: Screenshot from 2022-04-03 14-55-22.png] > > As for `f.factor()`, the given expression cannot be factorized further. So > the answer is correct. > On Sunday, April 3, 2022 at 2:53:47 PM UTC+5:30 Adarsh Kishore wrote: > >> Which version of Sage are you using? And on which platform? >> >> On Sunday, April 3, 2022 at 10:44:59 AM UTC+5:30 a.simpl...@gmail.com >> wrote: >> >>> The following code >>> >>> > var("z y z") >>> > f = (x-y)^2*(y-z)*(z-x) + (y-z)^2*(z-x)*(x-y) + (z-x)^2*(x-y)*(y-z) >>> > f.expand() >>> >>> outputs 0. >>> But >>> > f.factor() >>> simply prints the original formula (x-y)^2... >>> >>> Maybe something is wrong? >>> >> -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/faafac0a-c6cb-4269-b175-4199d57953aan%40googlegroups.com.
