60 Ways to Lower Your Blood Sugar: Simple Steps to Reduce the Carbs, Shed the Weight, and Fe

60 Ways to Lower Your Blood Sugar: Simple Steps to Reduce the Carbs, Shed the Weight, and Fe

Matematika hitung jumlah deret geometri tak hingga berikut 1 + 2 + 4 + ...​

hitung jumlah deret geometri tak hingga berikut 1 + 2 + 4 + ...​

Jawaban:

421

a = 2

r = 2/4 = 1/2

S^ = a/(1-r)

S^ = 4/1/2 = 8

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