( d 2 −2d+5 ) ( 1−d ) −1 MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqk0Jf9crFfpeea0xh9v8qiW7rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeaacaGaaiaabeqaamaabaabaaGcbaWaaeWaaeaaca WGKbWaaWbaaSqabeaacaaIYaaaaOGaeyOeI0IaaGOmaiaadsgacqGH RaWkcaaI1aaacaGLOaGaayzkaaWaaeWaaeaacaaIXaGaeyOeI0Iaam izaaGaayjkaiaawMcaamaaCaaaleqabaGaeyOeI0IaaGymaaaaaaa@458B@
−d+1+ 4 1−d MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqk0Jf9crFfpeea0xh9v8qiW7rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeaacaGaaiaabeqaamaabaabaaGcbaGaeyOeI0Iaam izaiabgUcaRiaaigdacqGHRaWkdaWcaaqaaiaaisdaaeaacaaIXaGa eyOeI0Iaamizaaaaaaa@3FB8@
−d+1− 4 1−d MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqk0Jf9crFfpeea0xh9v8qiW7rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeaacaGaaiaabeqaamaabaabaaGcbaGaeyOeI0Iaam izaiabgUcaRiaaigdacqGHsisldaWcaaqaaiaaisdaaeaacaaIXaGa eyOeI0Iaamizaaaaaaa@3FC3@
d−1+ 4 d 2 −2d+5 MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqk0Jf9crFfpeea0xh9v8qiW7rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeaacaGaaiaabeqaamaabaabaaGcbaGaamizaiabgk HiTiaaigdacqGHRaWkdaWcaaqaaiaaisdaaeaacaWGKbWaaWbaaSqa beaacaaIYaaaaOGaeyOeI0IaaGOmaiaadsgacqGHRaWkcaaI1aaaaa aa@4254@