sumay resta de polinomios

1: (7x²+2)-(3x²-5)=

     7x²+2-3x²+5

     7-3=4x²

     2+5=7

R=4x²+7

2: (8x²-x)-(7x²+3x)=

     8x²-x-7x²-3x

     8-7=1x²

    -1-3=-4x

R=1x²-4x

3: ( 3x²-2x-1)-(4x²+2x+5)=

       3x²-2x-1-4x²-2x-5

       3-4=-1x²

      -2-2=-4x

      -1-5=-6

R=-1x²-4x-6

4: (-3x+x²-1)-(5x+1-3x²)=

      -3x+x²-1-5x-1+3x²

      1+3=4x²

      -3-5=-8x

      -1+1=0

R= 4x²-8x+0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

5: (-1+7x²-2x)-(5x+3x²-7)

     -1+7x²-2x-5x-3x²+7

     7-3=4x²

     -2-5=-7x

     -1+7=6

R= 4x²-7x+6

6: (7x³-x²+x-1)-(2x²+3x+6)=

     7x³-x²+x-1-2x²-3x-6

     7x³

     -1-2=-3x²

     1-3=-2x

     -1-6=-7

R=7x³-3x²-2x-7

7: (5x²-2x+5)-(3x³-x²+5)=

      5x²-2x+5-3x³+x²-5

      -3x³

      5+1=6x²

      -2x

      5-5=0

R=-3x+6x²-2x+0

8: (3x²-x-7)-(5x³+5-x²+2x)=

      3x²-x-7-5x³-5+x²-2x

      -5x³

          3+1=4x²

      -1-2=-3x

      -7-5=-12     R=-5x³+4x²-3x-12

9: (6x³-2x²-3x+1)-(-x³-x²-5x+7)=

      6x³-2x²-3x+1+x³+x²+5x-7

      6+1=7x³

        -2+1=-1x²

    -3+5=2x

     1-7=-6

R=7x³-1x²+2x-6

10: ( x-3x²+x³+9)-(-8+7x-x²+x³)=

         x-3x²+x³+9+8-7x+x²-x³

        1-1=0x³

        -3+1=-2x²

        1-7=-6x

        9+8=17

R= 0x³-2x²-6x+17

4ta tarea graficas

2° tarea "Algebra"

RESOLVER EN SU BLOG LAS SIGUIENTES SUCESIONES Y SERIES NUMERICAS....




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

OPERACION:





a1+d =-27+2= -25 +2= -23 +2= -21….. etc…





R= -25 -23 -21 -19 -17 -15 -13 -11 -9 -7 -5 -3













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

OPERACION:





a1+d = -34/9 + 2/3 = -102+18/27= -84/27





• -84/27 + 2/3 = -252+54/81 = -198/81





• -198/81 + 2/3 = -594+162/243 = -432/243





• -432/243+ 2/3 = -1296+486/729 = -810/729





• -810/729 + 2/3 = -2430+1458/2187 = -972/2187





• -974/2187+2/3 = -2916+4374/6561 = -1458/6561





• -1458/6561+2/3= -4374+13122/19683 =8748/19683





• 8748/19683+2/3 = 26244+39366/59049 = 65610/59049





• 65610/59049+2/3 = 196830+118098/117147 = 314328/117147.





R= -84/27…..-198/81….-432/243….-810/729….-972/2187…





-1458/6561….8748/19683…65610/59049….314928/117147.













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

OPERACION:

a1+d = 67+(-3.75) = 63.25 +(-3.75) = 59.5 …. Etc





R= 63.25 59.5 55.75 52 48.25 44.5 40.75 37 3 3.25 29.5













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

OPERACION:





a1+d = 128.15+ (12.35) = 115.8 +(-12.35) = 103.45….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

OPERACION:





a1+d = 63/7+ (9/7) = 54/7 +(9/7) = 45/7 …etc





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













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

OPERACION:





(a1+ an)n/2 = (-3+187)-75/2





(-3+187)-75/2 = (184)-75/2 = 13800/2= 6900





R= 6900.













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

OPERACION:





(a1+an)n/2 = (2+215) 164/2





(2+215) 164/2= (217) 164/2= 35538/2 = 177920





R= 177920













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

OPERACION:





(a1+an)n/2 =(21+276)321/2





(21+276)321/2 = (297) 321/2 = 95337/2 = 47668.5





R= 47668.5













9.- a1= -78 d= -49

OPERACION:





a1+d (n-1) =-78+-49 (n-1)





-78+-49(n-1) =-127(n-1)





(n-1) = -127





n= -127+1





n= -128













10.- a1= 345 d= -169

OPERACION:





a1+d(n-1) = 345+-169 (n-1)





345+-619 (n-1) = 176 (n-1)





(n-1) = -176





n= -176+1





n= -177