1 2x 3x 2 4x 3 to infinity July 8, 2019 16 32 64 128 1 2x 3x 2 4x 3 to infinity formula 1 2x 3x 2 4x 3 upto infinity 1 2x 2 3x 3 4x 4 to infinity 1 2x 3x 2 4x 3 upto infinity integration 1 2 + 3 4
