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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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