2da tarea 1-4 4 de septiembre del 2010

Resolver en su blog las siguientes sucesiones y series Numéricas:

1.- a1= -27 d= 2 12 terminos
a1=-27+2=-25+2=-23 +2=-21+2=-19+2=-17+2=-15+2=-13+2=-11+2=-9+2=-7+2=-5+2=-3
R=-25,-23,-21,-19,-17,-15,-13,-11,-9,-7,-5,-3

2.- a1= -34/9 d= 2/3 9 terminos
a1=34/9+2/3=102+18/27=120/27+2/3=360+54/81=414/81+2/3=1242+162/243=1404/243+2/3=4212+486/729=4698/729+2/3=
14094+1458/2187=15552/2187+2/3=46656+4374/6561=51030/6561+2/3=153090+13122/19683=166212/19683

R=120/27,414/81,1404/243,4698/729,15552/2187,51030/6561,166212/19683,538002/59049,1732104/177147

3.- a1= 67 d= -3.75 10 terminos
a1=67+-3.75=63.25,59.5 ....... ETC.

R=63.25,59.5,55.75,52,48.25,45.5,40.75,37,33.258,29.5


4.- a1= 128.15 d=-12.35 7 terminos
a1=128.15+-12.35=115.8 ...... ETC

R=115.8,103.45,91.1,78.75,66.4,54.05,41.7,

5.- a1= 63/7 d= -9/7 11 terminos
a1=63/7+-9/7=54/7..........ETC

R=54/7,45/7,36/7,27/7,18/7,9/7,0/7,-18/7,-27/7,-36/7,-45/7


6.- a1= -3 an= 187 n= -75
(-3+187)-75/2=(184)-75/2=13800/2=-6900

R= -6900
7.- a1= 2 an= 215 n= 164
(3+215)164/2=(218)164/2=35752/2=17876

R=17876
8.- a1= 21 an= 276 n= 321
(21+276)321/2=(297)321/2=95337/2=476685

R=476685


9.- a1= -78 d= -49
an=-78+-49(n-1)=-127(n-1)
(n-1)=-127
n=-127+1
n=-126

10.- a1= 345 d= -169
an=345+-169(n-1)=176(n-1)
(n-1)= 176
n=176+1
n=177