Just need answers Thanku

11) FIND THE INTERVAL OF CONVERGENCE 12 ) DOES CONV OR DIV ? FOR " ( 1) 2 7 x 1 =2 n =s 13 ) FIND A POWER SERIES FOR f(X) = - Xz 14) FIND THE TAYLOR SERIES AT a = 1 (1-2x ) 2 For fix - Inx 15) USING THE M. S. FOR - X HOW MANY 16 ) FIND THE TAYLOR SERIES AT a = 1 FOR TERMS ARE NEEDED TO ESTIMATE edx f ( x ) = 3/x WITH | ERROR /