Method pow

__test__/theorem.js:108–117

(n, base)

  	return new BigNumber(this.ln(x, n).div(this.ln(base, n)).toFixed(n - 1))
  }
  pow(n, base) {
      if (typeof n != 'object' || BigNumber.isBigNumber(n)) {
          n = [n]
      }
      let result = []
      for (var i = 0; i < n.length; i++) {
          result.push(new BigNumber(Math.pow(new BigNumber(n[i]).toNumber(), new BigNumber(base).toNumber()).toFixed(10)))
      }
      return result.length == 1 ? result[0] : new BigNumber(result)
  }
  root(n, base) {
  	if (typeof n != 'object' || BigNumber.isBigNumber(n)) {
          n = [n]