# differentiate y = 7x^2 - ((2x^3)/(x 4)) 2cos^2(4x) [closed]

Please solve using sage and show the codes used in the process. After the differentiate integrate the above function analytically using sage and also plot the above function from x=-1 to x= 1

### Closed for the following reason
**duplicate question** by
*vdelecroix *

close date 2020-01-22 22:30:47.008266

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