Answer:
Sn = a1 (1-r^n) / 1-r
S5 = 6 (1-2^5) / 1-2
S5 = 6 (1-32) / -1
S5 = 6 (-31) / -1
S5 = -186 / -1
S5 = 186
explanation:
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Answer:
Sn = a1 (1-r^n) / 1-r
S5 = 6 (1-2^5) / 1-2
S5 = 6 (1-32) / -1
S5 = 6 (-31) / -1
S5 = -186 / -1
S5 = 186
Find the sum of the first five terms of a Geometric Sequence whose first term is 6 and common ratio of 2?
THE SUM OF THE FIRST FIVE TERMS IS 186.
explanation:
GEOMETRIC SEQUENCE:
TO FIND THE SUM:
GIVEN:
FORMULA: