1 2x 7 2 July 8, 2019 16 32 64 128 1 2x 7 21 2x 1 7 25 0 2x 1 2y 7 1 2x x 7 2 1 2x 1 7 2 3 1 2x 7 2x 5 1 2x cosx 2sinx 7 1 2x 7 2x 1+ 2x 7 2x 6 3 2x 1 )= 7 2 x 5 (- 2x 1 )(- 2x 7 )= 0 5 3 1 2x 2 )=- 7 3 2x 1 2 7 x 1 2x 7 2 1 4x 2 2x 1 2x 7 x
