Page 75 - DIGITAL BOOK MUHAMMAD AZWARDI NASUTION
P. 75
a ar
S + S = +
~
genap
~
ganjil
1− r 2 1− r 2
a (1+ ) r a (1+ ) r
= =
1− r 2 (1− r )(1+ ) r
a
=
1− r
S ~ ganjil + S ~ genap = S ~
