最3」等比數列的基本運算 non-1
an air
OLOT PORN
設〈an》為等比數列,首項a,公比r>0。若 a = 3, a = 81,則下列哪些選項是正確的?
Ar=3
a ne
I flere pe to a 2x Az - Az = 3x817243
Ca=9V3
4.44,-243
(CEYlog:(a, x az x a, xa, xa, x a, x a.) = }}
(多選)
d a = 1
as=0.53
airns
ai
A-3
az=363
3
3/27
372
Azadi xr=3
as=a., xr²=81
col anxan= Cox ag=a4x96. As
Ay= 52.5 27
As = d., 57 8 153
a ori
a, xr = 20 = 27
7 Anxo q = 2 x 81:8 2243
*
As = No wa = 81
r=N3v
dis
m (E) 1og₂ (az xhzx aux asx06+0₂x08)
2. Ameliyapeligence
6= log2 (3 x 3 x3
*3*)
107,92
227
x
3
81
apo jo apy" iz
an= 5 x 5 = 2003
X 3
243
35
