помогите 3 и 4 упражнения...

adeliya495 @adeliya495

July 2022 1 14 Report

помогите 3 и 4 упражнения

Answers & Comments

spasibo3pajbrh 3)
(a)
m€Z,
7-m≥0 => m≤7
2m-8≥0 => m≥4

m€{4;5;6;7}

(b)
m€Z
m>0
3m-9≥0
(6/m)€Z

m€{3;6}

(c)
3-(8/m)≥0=> (3m-8)≥0
(because m>0) m≥8/3=2⅔
m+2≥0
8/m€Z
m>0

m€{4,8}

4)
(3a-6)x³+(5-b)x+15

if it's a constant polynomial
3a-6=0
a=2

5-b=0
b=5

a+b=2+5=7

Good luck!

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