Find the volume of the region bounded by y=ex,y=1,x=2y = e^x, y=1, x=2y=ex,y=1,x=2 about the x-axis.
π2(e4−5)\frac{\pi}{2}(e^4 - 5)2π(e4−5)
π(e4−1)\pi(e^4 - 1)π(e4−1)
π2(e4−1)\frac{\pi}{2}(e^4 - 1)2π(e4−1)
π2(e2−1)\frac{\pi}{2}(e^2 - 1)2π(e2−1)