Asked by Aderinola
The seventh term of the GP 16/9,-8/3,4,...is _ (A)-9/2 (B)81/4 (C)-22/3 (D)4/3
Answers
Answered by
Reiny
a = 16/9
r = (-8/3) รท(16/9)
= (-8/3)(9/16) = -3/2
term (7) = a r^6
= (16/9) (-3/2)^6
= (16/9)(729/64) = ...
r = (-8/3) รท(16/9)
= (-8/3)(9/16) = -3/2
term (7) = a r^6
= (16/9) (-3/2)^6
= (16/9)(729/64) = ...
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