3 e 2x July 8, 2019 16 32 64 128 3 e 2x 1 3 e 2x 4 4 X 3 e 2x X 3 e 2x integral Y 3 e 2x Integral x 3 e 2x dx Integrate e 3 2x E 2x 3 integration 2x 3 e x 2 integration E 2x 3 expected value E 3 2x 2 X 3 e 2x 1 X 3 e 2x dx