if the seventh term of a G.P is 27 and its 21st term is 243,find it's 14th term?
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Step-by-step explanation:
ar^6 = 27 -------(1)
ar^20 = 243 -----(2)
from equation (2)/(1)
r^14 = 9
A(14) = ar^13 = a× r^14 / r = (9a)/r
Answered by
1
Answer:
the 14 term is 81
Step-by-step explanation:
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