x^4=e
Let's solve in ℝ: x4 = e
The power being even, x4 = e has two real solutions, -e4 and e4
▶Solutions obtained: x = { -e4, e4 }
The numeric value of: x = { -e4, e4 } is:
x = { ≈ -2.71830.25, ≈ 2.71830.25 }
▷ x = { ≈ -1.2840, ≈ 1.2840 }