Question

Упростить:2i-i^3+1/3+i

Answer 1

(2i-i³+1)/(3+i)=(2i+i+1)/(3+i)=(3i+1)(3-i)/(3+i)(3-i)=(9i+3+3-i)/(9+1)=(8i+6)/10=(4i+3)/5