Math, asked by Kiran2703, 8 months ago

If 1, 2, 3, ... ... ... ... ... ... . ............ is an infinitely decreasing geometric sequence such that ∑∞=1 = 15 and ∑∞=1()2 = 45 . Evaluate ∑∞=1( )3 30 points

Answers

Answered by Anonymous

2

Answer:

answer =1

Step-by-step explanation:

hope this helps you

mark me as brainliest

Answered by Anonymous

1

Answer:

1

Step-by-step explanation:

hope that would help you dear..

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