JUMLAH SUKU 8 BARISAN 1/2+1+2+4…… ADALAH A)16 B)32 C)64 D)128

Jawab:

a = U1 = 1/2

r = U2/U1

r = 1/(1/2)

r = 1.2/1

r = 2

U8 = a.r^7

U8 = 1/2.2^7

U8 = 1/2.128

U8 = 64

a=u1=1/2

R=u2/u1

R=1/(1/2)

R=1.2/1

R=2

U8=a.r^7

U8=1/2.2^7

U8=1/2.128

U8=64