find the sum of first 8 terms of g.p whose a=1,r=2
Answers
Answered by
0
Answer:
Correct option is
D
510
Given, a
1
=2,r=2
S
n
=
r−1
a
1
(r
n
−1)
S
8
=
2−1
2(2
8
−1)
=
1
2(255)
=510
Step-by-step explanation:
Answered by
1
Answer:
answer is in the attacent
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