X power 4 x 2 1 July 8, 2019 16 32 64 128 X power 4 x 3 x 2 x 1 Integration of x power 4 1 x 2 1 One of the factors of x power 4 x 2 1 is X 2 x 4 16 power series 20 x power 4 10 x power 2 X ki power 4 minus y square 2 x square 1 X ki power 4 x ki power 3 x 2 x 1 X power 4 formula X power x power 4 X power x power 4 = 64 4 x power