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when toggle format what by license comment
Apr 10, 2020 at 7:16 vote accept Dima Pasechnik
Apr 10, 2020 at 7:16 comment added Dima Pasechnik thanks, right, I overlooked that $Q$ is already into $K$.
Apr 10, 2020 at 5:49 history answered Michael Giudici CC BY-SA 4.0