Помогите решить неравенства. Created by chipdash. algebra-ru

Помогите решить неравенства...

chipdash @chipdash

August 2021 2 1 Report

Помогите решить неравенства

Dимасuk

Verified answer

Решение задания во вложении.

2 votes Thanks 1

sedinalana (3-5x)(9-2x)≥0
x=0,6 x=4,5
+ _ +
---------[0,6]---------------[4,5]----------------------
x∈(-∞;0,6] U [4,5;∞)

(7+x)(11-3x)≥0
x=-7 x=11/3
_ + _
-------[-7]-------------------[11/3]------------
x∈[-7;11/3]

(x+2)³(3-x)≥0
x=-2 x=3
+ + _
---------[-2]-----------[3]--------------------
x∈(-∞;3]

(x-7)²(2-x)^4*x²≤0
x=7 x=2 x=0
+ + + +
-------[0]-------[2]-------[7]----------
x=0;x=2;x=7

(3-x)(x+1)/x²≤0
x=3 x=-1 x=0
_ + + _
---------------[-1]-----------(0)-----------[3]---------------
x∈(-∞;-1] U[3;∞)

1 votes Thanks 0

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dano p1x x v tretej stepeni 3x vo vtoroj stepeni 7 p2x 9x v kube

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