Question

Dada a função f(z) = z^2 - z + 1, determine o valor de f(1 - i)

Answer 1

Se f(z) = z²-z+1 :

f(1-i) = (1-i)² - (1-i) + 1

f(1-i) = 1-2i+i² - 1+i + 1

f(1-i) = 1-2i-1 - 1+i +1

f(1-i) = -i