Question

Jumlah deret geometri tak hingga 64+32+16+8.. adalah


bantu ya :) pusing banget

Answer 1

A = 64
r = 1/2

S = a/(1-r)
S = 64/(1-1/2)
S = 64/(1/2)
S = 64 : 1/2
S = 64 x 2
S = 128

Answer 2

A = 64
r = 32/64 = 1/2
s tak hingga = a/(1-r)
                    = 64/(1-1/2)
                     = 64/(1/2)
                     = 128