please solve with work, #10 only

In problems 1 - 14, use the substitution method and a known power series to find power series for the given functions. 1 2. 3. 4 1 . 1+X 1 - X 1 - X 1 1 4 . 5. 5+x =5 1+ (x/5) 6. 3-X = 3 1-(x/3) 1+X X 9. In( 1 + x- ) 7. 8. 1+x 1+x 10. In( 1 + x ) 1 1. arctan( x2) 12. arctan( x) 1 13. 14. (1 - x-) (1 + x 2)2