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Nilai \\(\\sqrt{\\var{a}}\\) dapat dihampiri dengan menghampiri solusi positif persamaan kuadrat \\(x^2-\\var{a}=0\\) dengan Metode Newton-Raphson. Misal dipilih tebakan awal \\(x_0=1\\).

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Nilai \\(x_1=\\ldots\\).

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Nilai \\(x_2=\\ldots\\).

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Galat relatifnya pada iterasi kedua adalah \\(\\varepsilon_a=\\ldots\\%\\).

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