Compute (1+i)8(1+i)−2\frac{(1+i)^8}{(1+i)^{-2}}(1+i)−2(1+i)8.
(1+i)6(1+i)^6(1+i)6
(1+i)10(1+i)^{10}(1+i)10
252^525
646464