Permalink Submitted by Anonymous on August 6, 2020

you are absurd and shear wrong...the series stars with the positive 1...so it ends only in two possibilities it is either Z=0 (if the series have even nos of pairs ) or Z=1 (if the z has odd number pairs ending).. the Z=-1 is not a possibility at all

## you are absurd and shear

you are absurd and shear wrong...the series stars with the positive 1...so it ends only in two possibilities it is either Z=0 (if the series have even nos of pairs ) or Z=1 (if the z has odd number pairs ending).. the Z=-1 is not a possibility at all