find the 7th term of of GP whose first term is 6 and common ratio is 2/3. a) 128/243. b) 128. c) 243 d) 243/128
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Answer:
an=ar^n-l
a7=6(2/3)7-1
= 6(2/3)^6
= 6x64/729=128/243. (a)
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