Deret Geometri dengan Rasio 1/4

Gambar di bawah ini merupakan bukti tanpa kata-kata bahwa 1/4 + 1/42 + 1/43 + 1/44 + … = 1/3.

3 kali 1 per 3

Sumber gambar: Indolences (https://commons.wikimedia.org/w/index.php?curid=1854910)

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Bandung, 23-06-2016

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