## Hannah_Ahn 2 years ago if a=x and t_{4}=2sqrt{2}x ^{4} of a geometric sequence, find t_{9}

1. Kira_Yamato

Is this what you mean?|dw:1333769769755:dw|

2. Hannah_Ahn

$t_{4}=2\sqrt{2}x ^{4}$

3. Hannah_Ahn

I have trouble finding the common ratio.. :(

4. Kira_Yamato

|dw:1333769880437:dw||dw:1333770038811:dw|

5. Hannah_Ahn

i still dont see how you got 16x^9 . I am having a trouble with calculation... :( well.. thanks for your help (:

6. Kira_Yamato

|dw:1333771829318:dw||dw:1333771911098:dw|

7. Hannah_Ahn

thank you. i appreciate that. (: