2 2 x 0 1 July 8, 2019 16 32 64 128 2 2 x 15 0 2 2 x 10 0 2 2 2x 1 0 2 x 2 12 0 2 x 2 18 0 2 x 2 16 0 0 2 2 x 1 )= 0 4x 2 2x 2 x 12 0 2 sin 2 x 1 0 2 cos 2 x 1 0 X 2 2 2x 1 0 2 5x 2 x 1 0 4 x 2 2 x 1 0 3 x 2 2 x 1 0 2 x 0 11