martes, 28 de septiembre de 2010
martes, 7 de septiembre de 2010
tarea 2 1-5
1.- a1= -27 d= 2 12 terminos
n=a1+d=
-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+2=-1
2.- a1= -34/9 d= 2/3 9 terminos
n=a1+d=
34/9+2/3=120/27+2/3=414/81=804/244=2898/720=10152/2187=36230/6561=121812/19683=404802/59049=239544/177147
3.- a1= 67 d= -3.75 10 terminos
n=a1+d=
128.+2.35=140.50+12.35=152.85=165.20=177.55=189.9=202.25=214.60=226.95
4.- a1= 128.15 d=-12.35 7 terminos
n=a1+d=67+3.75=70.75+3.75=74.5=78.25=82=85.75=89.50=93.25=97=100.75=104.50
5.- a1= 63/7 d= -9/7 11 terminos
n=a1+d=
63/7+9/7=72/7+9/7=81/7=90/7=99/7=108/7=117/7=126/7=135/7=144/7=153/7=162/7
6.- a1= -3 an= 187 n= -75
sn=(1+n1) n=(-90)(-75) 14250 =7125
2 2 2
7.- a1= 2 an= 215 n= 164
(sn=1+an) n=(217)(164) = 33588 = 16794
2 2 2
8.- a1= 21 an= 276 n= 321
sn=(a1+an) n = (297) (321) = 95337 = 47668.5
2 2 2
9.- a1= -78 d= -49
n = a1 + d (n-1)
= 78+-49(n-1)
n-1 = -127+1
n=-128
10.- a1= 345 d= -169
n= a1+d(n-1)
=345+-169=(n-1)
n-1=-514
n=-514+1
n=-515
n=a1+d=
-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+2=-1
2.- a1= -34/9 d= 2/3 9 terminos
n=a1+d=
34/9+2/3=120/27+2/3=414/81=804/244=2898/720=10152/2187=36230/6561=121812/19683=404802/59049=239544/177147
3.- a1= 67 d= -3.75 10 terminos
n=a1+d=
128.+2.35=140.50+12.35=152.85=165.20=177.55=189.9=202.25=214.60=226.95
4.- a1= 128.15 d=-12.35 7 terminos
n=a1+d=67+3.75=70.75+3.75=74.5=78.25=82=85.75=89.50=93.25=97=100.75=104.50
5.- a1= 63/7 d= -9/7 11 terminos
n=a1+d=
63/7+9/7=72/7+9/7=81/7=90/7=99/7=108/7=117/7=126/7=135/7=144/7=153/7=162/7
6.- a1= -3 an= 187 n= -75
sn=(1+n1) n=(-90)(-75) 14250 =7125
2 2 2
7.- a1= 2 an= 215 n= 164
(sn=1+an) n=(217)(164) = 33588 = 16794
2 2 2
8.- a1= 21 an= 276 n= 321
sn=(a1+an) n = (297) (321) = 95337 = 47668.5
2 2 2
9.- a1= -78 d= -49
n = a1 + d (n-1)
= 78+-49(n-1)
n-1 = -127+1
n=-128
10.- a1= 345 d= -169
n= a1+d(n-1)
=345+-169=(n-1)
n-1=-514
n=-514+1
n=-515
Suscribirse a:
Entradas (Atom)