lembar kerja siswa
Post on 21-Dec-2015
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Lembar Kerja Siswa
(Menemukan Rumus Jumlah Deret Geometri Tak Hingga)
Anggota Kelompok:
1. ____________________________
2. ____________________________
3. ____________________________
Keterangan : 0<r<1
1. Perhatikan gambar diatas. Dengan menggunakan konsep kesebangunan dua buah segitiga (segitiga 1 dan segitiga 2), tentukan rumus jumlah deret geometri tak hingga dengan suku pertama 1 dan rasio r untuk 0<r<1
Jawaban:
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Untuk suku pertama adalah a dan rasio r untuk 0<r<1 maka rumus jumlah deret geometri tak hingga adalah…
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2. Buktikan rumus jumlah deret geometri tak hingga yang kalian temukan!
Jawaban:
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