1 2 5 4x July 8, 2019 16 32 64 128 1 2 5 4x 17 8 1 2 4x3 5 1 /( x 2 4x 5 integral 1 x 2 4x 5 1 2 5 7x 8 4x 6 1 2x 2 4x 5 7x 2 1 5 4x 1 5 2 3 4x 1 2x 2 4x 5 0 1 3x 2 4x 5 1 2 x 4 )=- 4x 5 1 x )( 2 3x )( 5 4x 1 2 8x 10 )= 4x 5 2x 1 )( x 2 4x 5 1 2 4x 10 )+ 5 x 11
