1. Give the continued fractions expansions of a = √d2±1 , d element of Z
2. Determine the least positive solution of x2 − ny2 = 1, where n = d2 + 2
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1. Give the continued fractions expansions of a = √d2±1 , d element of Z
2. Determine the least positive solution of x2 − ny2 = 1, where n = d2 + 2