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BARISAN GEOMETRI

BARISAN GEOMETRI. Di Susun Oleh Fitria Irdayani 11215201395. Sebelumnya APAKAH KALIAN TAHU APA ITU Barisan ? Barisan aritmatika dan barisan geometri ?. Barisan bilangan. Barisan aritmatika. b. geometri.

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BARISAN GEOMETRI

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  1. BARISAN GEOMETRI Di SusunOleh FitriaIrdayani 11215201395

  2. Sebelumnya APAKAH KALIAN TAHU APA ITU Barisan ? Barisanaritmatikadanbarisangeometri ?

  3. Barisanbilangan Barisan aritmatika b. geometri Pernahkah kalian memperhatikansusunanminumumandi super market ? Cara penonton yang dudukditribunstadion ? Ataususunannomorrumahdisebuahperumahan ??

  4. BarisanBilangan Barisanbilanganadalahsuatupolabilangan yang disusunberdasarkanaturantertentu. MISALKAN

  5. PerhatikanSusunanGambar Logo UinSuskaBerikut !

  6. G1 = 1, G2 = 2, G3 = 3, G4 = 4, G5 = 5, G6 = 6 G1 = 1 G2 = 1 + … = 2 => masukkan G1 1 + 1 G3 = 1 + 1 + … = 3 => masukkan G2 1 + 1 + 1 G4 = 1 + 1 + 1 + … = 4 =>masukkan G3 1 + 1 + 1 + 1 • Jadi, dapatdisimpulkanbahwabarisanaritmatikaadalahbarisanbilangan yang tiapsukunyadidapatdarisukusebelumnyadengancaramenambahataumengurangnyadengansuatubilangantetap, bilangantetaptersebutdisebutbeda. • Disinibedanyaadalah 1.

  7. GEOMETRI Untukbarisangeometrimariperhatikangambardibawahini ! Perhatikansusunandudukpenontondisetiaptribunataubangkupenonton yang sedangmenyaksikanpertandinganvollyberikut :

  8. T3 T2 T1

  9. T1 = 1, T2 = 3, T3 = 9 Artinya : T1 = 1 T2 = 1 x … = 3 => masukkan T1 1 x 3 T3 = 1 x 3 x … = 9 => masukkan T2 1 x 3 x 3 Maka T4 = 1 x 3 x 3 x … = 27 => masukkan T3 1 x 3 x 3 x 3 Jadidapatdisimpulakanbahwabarisangeometriadalahsuatubarisanbilangan yang didapatdarisukusebelumnyadengancaramembagiataumengalikannyadengansuatubilangantetap yang disebutRasio. Disinirasionyaadalah 3.

  10. Mencarirumussukuke- n Perhatikan T3 T3 = 1 x 3 x 3 = T1 x r x r = T1 x r2

  11. Ubahkeaturan U3 = a x r2 Un = a x rn-1 Jadirumussukuke-n daribarisangeometriadalah Un = a x rn-1

  12. SemogaBermanfaat SEE YOU NEXT TIME GOOD BY TERIMAKASIH

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