tarea 3

1.- a1= -27 d= 2 12 terminos















-27+2=-25 -23 -21 -19 -17 -15 -13 -11 -9 -7 -5 -3 -1











2.- a1= -34/9 d= 2/3 9 terminos







-34/9+2/3= -34+4/9= -30/9+4/9= -25/9+4/9 =-22/9+4/9= -18/9+4/9= -14/9+4/9= -10/9+4/9= -6/9+4/9=-2/9+4/9=2/9











3.- a1= 67 d= -3.75 10 terminos







67-3.75=63.25 59.50 55.75 52 48.25 44.50 40.75 37 33.25 29.50











4.- a1= 128.15 d=-12.35 7 terminos







128.15-12.35= 115.8 103.45 91.1 78.75 66.4 54.05 41.7







5.- a1= 63/7 d= -9/7 11 terminos







63/7-9/7= 54/7-9/7= 45/7-9/7= 36/7-9/7= 27/7-9/7= 18/7 -9/7= 9/7-9/7 = 0 -9/7= -9/7-9/7= -18/7 -9/7= -27/7











6.- a1= -3 an= 187 n= -75











(-3+187)-75 =184 13820/2 R=-6910



__________ *-75



2 _____



-13820











7.- a1= 2 an= 215 n= 164







(2+215)164



___________ =217 35588/2 R = 17794



2 *164



______



35588















8.- a1= 21 an= 276 n= 321







(21+276)321



__________ =297



2 *321 95337/2 = R= 47668.5



_______



95337







9.- a1= -78 d= -49







-78-49=-127 -176 -225 -274 -323 -372 -421 -470 -519 -568







10.- a1= 345 d= -169







345-169=176.7 -162 -331 -400 -569 -738 -807 -976 -1146 -1314