Find the arc length of the polar curve r=eθr = e^{\theta}r=eθ for 0≤θ≤2π0 \le \theta \le 2\pi0≤θ≤2π.
2(e2π−1)\sqrt{2}(e^{2\pi} - 1)2(e2π−1)
e2π−1e^{2\pi} - 1e2π−1
12(e2π−1)\frac{1}{2}(e^{2\pi} - 1)21(e2π−1)
2e2π\sqrt{2}e^{2\pi}2e2π