Question

sendo p(x) =x³ + 4x² + ix - 1 calcule p(i)

Answer 1

p(x) =x³ + 4x² + ix - 1 calcule p(i)

p(i) = (i)³ + 4(i)² + i(i) - 1 

p(x) = - i + 4(-1) - 1 - 1 ==> p(i) = - i - 4 - 2 

p(i) = - i - 6