Download SOLUCIONES ECUACIONES BICUADRADAS

MATEMÁTICAS 3º ESO - ÁLGEBRA
SOLUCIONES ECUACIONES BICUADRADAS
1.
2.
3.
x1 = 3
x2 = –3
x3 = 2
x4 = –2
11. x1 = 1
x2 = –1/3
12. x1 = 4
x2 = –4
x3 = 1/4
x4 = –1/4
x3 = 5
x4 = –5
x1 = 2
x2 = –2
x3 = 1/2
x4 = –1/2
−3
x=
x1 = 3
x2 =
−1
x2 = –3
−1
x=
1
3
=
3
3
x1 =
7.
x1 =
x=
1
2
=
2
2
x2 = −
3
6
=−
2
2
1
2
=−
2
2
− 25
x2 = –4
x3 = 3
x4 = –3
15. x1 = 1/3
x2 = –1/3
x3 = 1/2
x4 = –1/2
16. x1 = 5
x2 = –5
x3 = 1
x4 = –1
1
3
=
3
3
x2 = −
1
3
=−
3
3
x3 =
3
6
=
2
2
x4 = −
3
6
=−
2
2
− 15 − 97
2
x2 = − 4 + 2
x3 = 4 − 2
x4 = − 4 − 2
11 2 33
11
2 33
=
=−
x 2 = −2
3
3
3
3
x4 = − 6
3
21
=
7
7
x3 = 2
10. x 1 =
15 − 97
2
17. x 1 = 4 + 2
19. x 1 =
−1
x4 =
14. x1 = 4
x3 = 6
x2 = –2/3
x3 =
− 15 + 97
2
18. x 1 = 2
x2 = –3
9. x1 = 2/3
x=
x4 = −
3
6
=
2
2
− 1/ 4
8. x1 = 3
x=
x3 =
1
3
=−
3
3
x2 = −
15 + 97
2
13. x 1 =
Solución
6.
− 1/ 3
x=
x1 = 1/3
4. x =
5.
x2 = –1
20. x1 = 4
x3 = 0
x2 = −
x4 = –2
x2 = –4
3
21
=−
7
7