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Geometric Progression Help

Please Help with the attached question.

Thanks
Original post by seunthegreat
Please Help with the attached question.

Thanks

What have you tried?
Original post by seunthegreat
Please Help with the attached question.

Thanks


Hint

S<143000×109S_\infty < 143000 \times 10^9

with first term

a=16000×109a=16000 \times 10^9

Use the hint at the bottom (in the Q) too.
(edited 11 years ago)

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