nthRoot

Usage

nthRoot(a, b)

Signature

nthRoot:

(%,%) $\to$ (Boolean,%)

Parameter	Type	Description
a	%	an integer
b	%	a positive integer

Returns

Returns (found?, n) such that $a = n^b$ if found? is true. Otherwise, found? is false and

$$n^b < a < (n+1)^b\,.$$