2da Tarea 1.5 Algebra

Resolver en su blog las siguientes sucesiones y series Numéricas:


1.- a1= -27 d= 2 12 terminos
n=a1+d= -27+2
-27,-25,-23,-21,-19,-17,-15,-13,-11,-9,-7,-5

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

a1= -34/9+2/3= -102+18/27= -84/27+2/3=-252+54/81= -198/81+2/3= -594+162/243
=-402/243+2/3= -1206+486/729= -720/729+2/3= -2160+1458/2187=-702/2187+2/3= -2106+4374/6561= 2268/6561+2/3=6804+13122/19683= 19926/19683+2/3=59778+39366/59049= 99144/59049+2/3=297432+118098/177147=

415530/174177

3.- a1= 67 d= -3.75 10 terminos
n=67 d= -3.75
67-3.75=63.25-3.75= 59.50-3.75= 55.75-3.75= 52-3.75=48.25-3.75= 44.50-3.75=40.75-3.75= 37-3.75= 33.25-3.75=29.50

4.- a1= 128.15 d=-12.35 7 terminos
a1=128.15 d= -12.35
128.15-12.35= 115.80-12.35= 103.45-12.35= 91.10-12.35=78.75-12.35=66.37-12.35= 54.02-12.35= 41.67

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,-1/7, -2/7,-3/7,-4/7
6.- a1= -3 an= 187 n= -75
Sn=(-3+187)-75
     ___________
            2              = (184)(-75)=-13800%2= -6900

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

Sn=(2+215) 164
      __________
           2             =(217)(164)=35588%2=17794

8.- a1= 21 an= 276 n= 321
Sn=(21+276)321
      ___________
             2              =(297)(321)=95337%2=47668.5

9.- a1= -78 d= -49
Sn=(-78-49)/2= -127%2=-63.5



10.- a1= 345 d= -169
Sn=(345-169)/2=176%2=88