Question

class 11
ch 5 :- Complex Numbers
plz answer ASAP and correctly

Answer 1

i^n( 1 + i +i^2 + i^3)

i^2= -1
i^3= -i
so

i^n( 1+ i -1 -i)
i^n( 1-1 +i -i)
i^n( 0)
0

Answer 2

Hey mate ^_^

Check this attachment

#Be Brainly❤️