1. x^7/7-2sin(x)
2.4cosx-5/x
3/-625
6.-4/x-2cosx
10 -1/x-2sinx
11 1/4(x^4+8cosx
12 x^7+x^5-2x
13 5sinx-3/x
1. x^7/7-2sin(x)
2.4cosx-5/x
3/-625
6.-4/x-2cosx
10 -1/x-2sinx
11 1/4(x^4+8cosx
12 x^7+x^5-2x
13 5sinx-3/x