Question

Differentiate the following functions with respect to x  

1. x4+3x2-2x

2. x2cosx

3. (6x+7)4  

4. x2+1/x-2

5. sinx/1+cosx

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Answer 1

Refer the attachment.

Answer 2

1) 4x3+6x-2

2)x2-sinx+cosx.2x

3)24

4)2x-1/x2

5)cosx