X 2 1 3 July 8, 2019 16 32 64 128 X 2 1 3 simplify X 2 1 3x X 2 1 3 5 X 2 1 36 X 2 1 3 derivative X 2 1 3 4 X 2 1 3 0 X 2 1 3 5 6 X 2 1 3x 4 X 2 1 3x 6 X 2 1 3x 0 X 2 1 3 10 X 2 1 3x 5 X 2 1 )( 3x 4 )= 0 X 2 1 3 y
