2016-12-05 23:44:36 +01:00
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func nthroot_fast(n, a, precision=1e-5) {
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2018-06-22 20:57:24 +00:00
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{ a = nthroot(2, a, precision) } * int(n-1)
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a ** (2**int(n-1) / n)
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2016-12-05 23:44:36 +01:00
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}
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2018-06-22 20:57:24 +00:00
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say nthroot_fast(5, 34, 1e-64) # => 2.02439745849988504251081724554193741911462170107
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