Question

The value of i^19+i^-50+i^-64+i^59 is?

Answer 1

Step-by-step explanation:

i^19+i^-50+i^-64+i^59

= (i²)⁹×i +(i²)^-25 +(i²)^-32+(i²)²⁹×i

=(-1)⁹×i+(-1)^-25+(-1)^-32+(-1)²⁹×i (we know that i²= -1)

= -i-1+1-i

= -i-i

= -2i answer