Решите неравенства 1) x^2+1/x^2 > 7 2)x^4-4x^3+4x^2-1 <= 0

Question

Решите неравенства

1) x^2+1/x^2 > 7
2)x^4-4x^3+4x^2-1 <= 0

Answer 1

',".',','.".",''.'.".','.'.'."."',',.'",'

---