Redirecting..https://www.wolframalpha.com/input?i=%7B%7B1%2C+1%7D%2C+%7B%E2%88%9A2%2C+-%E2%88%9A2%7D%7D+.+%7B%7B%E2%88%9A2%2C+0%7D%2C+%7B0%2C+-%E2%88%9A2%7D%7D+.+%7B%7B1%2C+1%7D%2C+%7B%E2%88%9A2%2C+-%E2%88%9A2%7D%7D%5E-1