X 4 x 2 1 July 8, 2019 16 32 64 128 X 4 x 2 1 factorise X 4 x 2 1 0 X 4 x 2 12 X 4 x 2 1 0 solution X 4 x 2 12 0 X 4 x 2 1 integral X 4 x 2 16 X 4 x 2 1 factor X 4 x 2 )= 13 X 4 x 2 1 integration X 4 x 2 1 factorize X 4 x 2 18 X 4 x 2 10x 25 X 4 )( x 2 )= 15 X 4 x 2 1 3
