2x 3 − 15x x
- 2x 3 15x 2 10x 21 x 7
- F x )= 2x 3 15x 2 36x 1
- F x )= 2x 3 15x 2 36x
- 2x 3 x 2 15x
- F x )= 2x 3 15x 2 36x 1 is increasing in the interval
- X 4 2x 3 15x 2
- F x )= 2x 3 15x 2 36x 5 is decreasing
- F x )= 2x 3 15x 2 144x 7
- X 5 2x 3 15x
- 2x 3 − 152x 3 − 15x x
- 2x 3 4x 2 15x 5 /( x 1 2
- 2x 3 x 2 15x 18 0
- F x )= 2x 3 15x 2 36x 6
- F x )= 2x 3 15x 2 24x 5
- (- 2x 3 15x 2 22x 15 )/( x 3