|
a
|
b
|
c
|
d
|
e
|
f
|
g
|
1
|
r = 2
|
r = 0.5
|
Not geometric
|
r = 0.8
|
r = w
|
r = √3
|
r = -3
|
2
|
160, 320
|
1.25, 0.625
|
Not geometric
|
40.96, 32.768
|
w5, w6 |
9, 9√3
|
243, -729
|
3
|
1024
|
0.5625
|
8192
|
47.59 (4s.f.)
|
0.00390625
|
1397.5
|
1048576z21
|
4
|
2n
|
3n
|
q x 3n − 1
|
6 x (-1)n-1
|
5. r = 2, a = 0.5 and the sequence is 0.5, 1, 2 ,4, ...
6.r = 1/3, a = 27 and the sequence is 27, 9, 3, 1, ...
7. 768 is the 8th term.
8. 4096 is the 7th term.
9. He would be doing 32 768 press-up and probably be very fit... or dead!