ssunarshiva123 ssunarshiva123 08-01-2023 Mathematics contestada 23. If a + b + c = k prove that: (z ^ (2a))/(z ^ (2a) + z ^ (k - b) + z ^ (k - c)) + (z ^ (2b))/(z ^ (2b) + z ^ (k - a) + z ^ (k - c)) + (z ^ (2c))/(z ^ (2c) + z ^ (k - a) + z ^ (k - b)) = 1[tex]a + b + c = k[/tex]
