martes, 9 de noviembre de 2010

Operaciones con expresiones algebraicas.
Suma y resta.
1)  (189x3+379x2-467x-4621)+(421x3-1265x2-637x+16274)=610x3-886x2+1104x+11653.


2)  (46825x3-314589x2+222x-163578)-(654189x2+16548x3-75391x5-7733x4+113344)=75391x5-7733x4+30277x3-968778x2+222x-276922.

3)  (18/9x4+37/14x2-22/63x7-147369)-(-77/23x7+41/5x2+189/61x4-245/13)=5357/1449x7-201/183x4-389/70x2+1916042/13.




MULTIPLICACION.
4)  (189x3)(189x11)=35721x14

5)  (19x3-9y2)(7x2+11y3)=133x5+209x3y3-63x2y2-99y5.


6)  (17x2-25y3)(14x3+21x2-34x2y-18xy2)=238x5+357x4-578x4y-350x3y3+306x3y2+850x2y4-525x2y3+450xy5.

7)  (15x4-8y3+12z2-33xyz)(45xyz+27x3-5z2-22y4)=405x7+630x5yz-330x4y4-75x4z2-891x4yz-216x3y3+324x3z2-1485x2y2z2-360xy4z+705xyz3+726xy5z+40y3z2-264y4z2+176y7-60z4.

EXPONENTES:
8)  (38X3Y)2=1444X6Y2.

9)  (32X2-22Y3)3/4= 128/3??8/3 – 88/4??12/3

10)           (7X-3Y)(14Y-27X)=-189X2-42Y2+179XY=-34X3Y3
             
DIVICIONES:
11)           (128X3-67X2+18X+49)/(4X)=32X2-16X+3/41/X+4+2/41/X+121/X+1/41/X.

12)           (x2-28x+36)/(x+6)=x-34(+240/x-34).

13)           (75x2-105x-25)/(5x+5)=15x-38(165/15x-38).

14)           (14x2-49x+71)/(2x+7)=7x-49(414/7x+49).