July 2022 1 9 Report

Решите уравнения:

 

1)x^3+3x^2-21x-87=0

2)(x-3)^4+(x+1)^4=52

 

Решите неравенства:

 

a) (x-2)(2x+3)<=8/(x-1)(2x+5)

 

б) [tex]\sqrt{5-x}-\sqrt{3x-5}<\sqrt{11-2x}-\sqrt{2x+1}[/tex]

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