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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
could somebody please explain to me why x2 - 4 * y2 = (x - 2y) * (x + 2y)?
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At least you should mention elements multiplication somewhere "The Product of all the elements multiplied" something like that..
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RegEX harder than chinese for me.
oh man you're making life difficult for us, whenever I see a RegEX I let go.
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This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
jo thank you man, now I see it, but yesterday I got a wired error message, which said unauthorized.
Why do you want to make people's life miserable, especially beginners when they try and try and the issue is not from their side?
sir there is an issue and my code has no bugs, I tried your code and I got Unauthorized
I think there is an internal bug!
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Okey I solved! Take it easy!
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