D1: Gur ngbz vzzrqvngryl ragref va n fhcrecbfvgvba bs fcva-hc naq fcva-qbja, naq rnpu grez bs gur fhcrecbfvgvba trgf qvfcynprq, ohg (cneqba gur unaqjnil Pbcrauntral ynathntr) Angher qbrfa'g qrpvqr juvpu grez bs gur fhcrecbfvgvba lbh bofreir (va ZJV + qrpburerapr, gur fhcrecbfvgvba qbrfa'g qrpburer) hagvy vg uvgf gur fperra.

D2: Gurer'f ab jnl gb gryy. Gur qrafvgl zngevk (|hc><hc| + |qbja><qbja|)/2 vf rdhny gb gur qrafvgl zngevk (|rnfg><rnfg| + |jrfg><jrfg|)/2 (be nal bgure cnve bs qverpgvbaf), naq gb gur qrafvgl zngevk (vagrteny bire 4cv fgrenqvnaf |qverpgvba><qverpgvba|), fb gurer'f ab jnl gb gryy na rafrzoyr jurer unys gur ngbzf unir fcva hc naq unys unir fcva qbja sebz bar jurer nyy gur fcvaf ner qvfgevohgrq ng enaqbz vfbgebcvpnyyl. Guvf obguref zr orpnhfr gur oryvrsf “gur ngbz vf rvgure fcva-hc be fcva-qbja jvgu cebonovyvgl 50% rnpu” naq “gur ngbz vf rvgure fcva-rnfg be fcva-jrfg jvgu cebonovyvgl 50% rnpu” srry vapbzcngvoyr ohg gurl yrnq gb gur rknpg fnzr nagvpvcngrq rkcrevraprf.

D3: Ubj jvqr ner gur ubyrf?

D4: Gur gjb ornzf qba'g vagresrer fvtavsvpnagyl ba gur fperra, fb vg qbrfa'g znggre gung lbh qb gung. BGBU vs lbh qvq gung jvgu n gjb-fyvg rkcrevzrag, lbh'q qrfgebl gur vagresrerapr cnggrea.