6. (p.534, #15) Use the root test to determine if the series converges or diverges: + 00 7. (p.540, #5) Determine if the alternating series converges or diverges: +00 E(-1)"7241 n n=1 8. (p.551, #5) Find the series' radius and interval of convergence (including any endpoints): 9. (p.558, #15) Find the Maclaurin series for the function, sin(3x) 10. (p.564, #5) Use substitution to find the Taylor series at x=0 of the function, cos(5x2) . 11. (p. 572, #1) Find the first four terms of the Taylor series (about x=0) for the function: (1+ x) 2