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Mencari Hasil Akar

Cara mencari hasil akar ini sangat berguna jika harus mencari nilai akar tanpa menggunakan kalkulator.

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Mencari Hasil Akar

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  1. Cara MencariHasilAkar Pangkat 2 Harusduadaribelakangjikaakarpangkatdua • Cara menyelesaikan : • Perhatikanangka yang adadidepangaris(11). Cariperpangkatanyang hasilnyamendekati11. • Kurangkan. • Tulishasilpenjumlahanbilanganperpangkatan. (3+3). • Cariangkadibelakangnnya yang dikalikandenganangkasamasehinggahasinya = hasilpengurangan. (64 x 4 = 256). • Untukhasil, pilihangka yang samapertamakemudiansamakedua. (34) Tidakadaangkaberartiakarpangkatdua = 3 4 + 3 x 3 = 9 HarusHafal !Perpangkatan02= 012 = 122 = 432= 942 = 1652 = 2562 = 3672 = 4982 = 6492 = 81 6 4 x 4 = 2 5 6 Harusangka yang sama Because: Kita tidakperlumengujisemuaangka. Cukupmenguji yang ekornyasama. Kalauberdasarkancontoh, kitacukupmenguji: 64 x 4atau 66 x 6 yang hasilnya 256. Trik: Perhatikanangkaekornya, kemudiancariekor yang samadarihasilperpangkatan. Gampang Kan? Awaskalobilangsusahdikutukjadi…

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