2 1 4 3 4 equals July 8, 2019 16 32 64 128 1 2 3 4 equals 10 2 1 4 plus what equals 5 3 4 The integral ∫ dxx 2 x 4 1 3 4 equals 1 - 2 = 4 1 2 + 3 4 4 1/2 + 1 1/3 2+ 2 = 4