Question

rapid, va rog... Ex. 10
Multumesc

Answer 1

Răspuns

a. n/3<2/3, deci n<2, n∈{0,1,}

b.7/4>(4n+5)/4

4n+5<7

4n<7-5

n<4/4

n<1  => n=0

c. 7/n>7/2

n<2=> n=1

d. 11/17<11/(5n+4)

5n+4<17

5n<17-4

5n<13

n<2    n∈{0,1}