i^-86785479=<br />
<br />
(1/i ) ^86785479=<br />
<br />
(1^86785479)/(i^86785479) =<br />
<br />
1/(i^86785476+3)=<br />
<br />
1/ ((i^86785476)*(i^3) ) <br />
<br />
1/ ((i^(21696369*4))*(i^3) ) <br />
<br />
1/ ( ( (i^(4))^21696369)*(i^3) ) = /////i^4=1 <br />
<br />
1/ ((1^21696369 )*( i^ 3))= /////////i^3 =-i<br />
<br />
1/ (1*(-i) )=<br />
<br />
1/ -i ///////// multiple 1 and -i by i <br />
<br />
1*i/-i *i=<br />
<br />
i/-i^2= ///////// i^2=-1<br />
<br />
i/-(-1)=<br />
<br />
i/1=<br />
<br />
i