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Question Number 81595 by zainal tanjung last updated on 14/Feb/20

$$8+4+2+1+.....\mathrm{\infty }=$$

Commented by Tony Lin last updated on 14/Feb/20

$$8(1+\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\cdot \cdot \cdot )$$$$=8\times \frac{1}{1-\frac{1}{2}}$$$$=16$$

Commented by Zainal Arifin last updated on 14/Feb/20

$$\mathrm{good}....!$$

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