

Nguyễn Ngọc Quỳnh
Giới thiệu về bản thân



































x^2−3x+1>2(x−1)−x(3−x)
x^2−3x+1>2x-2-3x+x^2
x^2-x^2-3x+3x-2x>-1-2
-2x>-3
x<3/2
Vậy BPT có nghiệm x<3/2
x^2−3x+1>2(x−1)−x(3−x)
x^2−3x+1>2x-2-3x+x^2
x^2-x^2-3x+3x-2x>-1-2
-2x>-3
x<3/2
Vậy BPT có nghiệm x<3/2
a) 3x+5/2 -x ≥ 1 + x+2/3
(3x+5)3/6 - 6x/6 ≥ 6/6 + (x+2)2/6
9x+15/6 - 6x/6 ≥ 6/6 + 2x+4/6
9x+15 - 6x ≥ 6 + 2x+4
9x - 6x - 2x ≥ 6 - 15 + 4
x ≥ -5
vậy BPT có nghiệm là x ≥ -5
b) x−2/3 − x − 2 ≤ x−17/2
(x−2)2/6 − 6x/6 - 12/6 ≤ (x−17)3/6
(x−2)2 − 6x - 12 ≤ (x−17)3
2x - 4 − 6x - 12 ≤ 3x - 51
2x - 6x - 3x ≤ 4 + 12 - 51
-7x ≤ -35
x ≥ 5
vậy BPT trên có nghiệm x ≥ 5
c) 2x+1/3 - x-4/4 ≤ 3x+1/6 - x−4/12
(2x+1)4/12 - (x-4)3/12 ≤ (3x+1)2/12 - x−4/12
(2x+1)4 - (x-4)3 ≤ (3x+1)2 - x−4
8x + 4 - 3x - 12 ≤ 6x + 2 - x−4
8x -3x - 6x + x ≤ -4 + 12 + 2 - 4
0x ≤ 6
vậy BPT trên vô nghiệm
a) 3x+5/2 -x ≥ 1 + x+2/3
(3x+5)3/6 - 6x/6 ≥ 6/6 + (x+2)2/6
9x+15/6 - 6x/6 ≥ 6/6 + 2x+4/6
9x+15 - 6x ≥ 6 + 2x+4
9x - 6x - 2x ≥ 6 - 15 + 4
x ≥ -5
vậy BPT có nghiệm là x ≥ -5
b) x−2/3 − x − 2 ≤ x−17/2
(x−2)2/6 − 6x/6 - 12/6 ≤ (x−17)3/6
(x−2)2 − 6x - 12 ≤ (x−17)3
2x - 4 − 6x - 12 ≤ 3x - 51
2x - 6x - 3x ≤ 4 + 12 - 51
-7x ≤ -35
x ≥ 5
vậy BPT trên có nghiệm x ≥ 5
c) 2x+1/3 - x-4/4 ≤ 3x+1/6 - x−4/12
(2x+1)4/12 - (x-4)3/12 ≤ (3x+1)2/12 - x−4/12
(2x+1)4 - (x-4)3 ≤ (3x+1)2 - x−4
8x + 4 - 3x - 12 ≤ 6x + 2 - x−4
8x -3x - 6x + x ≤ -4 + 12 + 2 - 4
0x ≤ 6
vậy BPT trên vô nghiệm
a) 3x+5/2 -x ≥ 1 + x+2/3
(3x+5)3/6 - 6x/6 ≥ 6/6 + (x+2)2/6
9x+15/6 - 6x/6 ≥ 6/6 + 2x+4/6
9x+15 - 6x ≥ 6 + 2x+4
9x - 6x - 2x ≥ 6 - 15 + 4
x ≥ -5
vậy BPT có nghiệm là x ≥ -5
b) x−2/3 − x − 2 ≤ x−17/2
(x−2)2/6 − 6x/6 - 12/6 ≤ (x−17)3/6
(x−2)2 − 6x - 12 ≤ (x−17)3
2x - 4 − 6x - 12 ≤ 3x - 51
2x - 6x - 3x ≤ 4 + 12 - 51
-7x ≤ -35
x ≥ 5
vậy BPT trên có nghiệm x ≥ 5
c) 2x+1/3 - x-4/4 ≤ 3x+1/6 - x−4/12
(2x+1)4/12 - (x-4)3/12 ≤ (3x+1)2/12 - x−4/12
(2x+1)4 - (x-4)3 ≤ (3x+1)2 - x−4
8x + 4 - 3x - 12 ≤ 6x + 2 - x−4
8x -3x - 6x + x ≤ -4 + 12 + 2 - 4
0x ≤ 6
vậy BPT trên vô nghiệm
a) 3(2x+1)+1/10 > 3x+52/10
3(2x+1)/20+20/20 > (3x+52)2/20
3(2x+1)+20 > (3x52)2
6x+3+20 > 6x+102
6x-6x > 102-3-20
0x > 79
vậy BPT ko có nghiệm
b) 4x-1/2 + 6x-19/6 ≤ 9x-11/3
(4x-1)3/6+6x-19/6 ≤ (9x-11)2/6
(4x-1)3+6x-19 ≤ (9x-11)2
12x-3+6x-19 ≤ 18x-22
18x-22 ≤ 18x-22
0x ≤ 0
vậy BPT vô nghiệm
a) 3(2x+1)+1/10 > 3x+52/10
3(2x+1)/20+20/20 > (3x+52)2/20
3(2x+1)+20 > (3x52)2
6x+3+20 > 6x+102
6x-6x > 102-3-20
0x > 79
vậy BPT ko có nghiệm
b) 4x-1/2 + 6x-19/6 ≤ 9x-11/3
(4x-1)3/6+6x-19/6 ≤ (9x-11)2/6
(4x-1)3+6x-19 ≤ (9x-11)2
12x-3+6x-19 ≤ 18x-22
18x-22 ≤ 18x-22
0x ≤ 0
vậy BPT vô nghiệm
a) 3(2x+1)+1/10 > 3x+52/10
3(2x+1)/20+20/20 > (3x+52)2/20
3(2x+1)+20 > (3x52)2
6x+3+20 > 6x+102
6x-6x > 102-3-20
0x > 79
vậy BPT ko có nghiệm
b) 4x-1/2 + 6x-19/6 ≤ 9x-11/3
(4x-1)3/6+6x-19/6 ≤ (9x-11)2/6
(4x-1)3+6x-19 ≤ (9x-11)2
12x-3+6x-19 ≤ 18x-22
18x-22 ≤ 18x-22
0x ≤ 0
vậy BPT vô nghiệm
a) 3(2x+1)+1/10 > 3x+52/10
3(2x+1)/20+20/20 > (3x+52)2/20
3(2x+1)+20 > (3x52)2
6x+3+20 > 6x+102
6x-6x > 102-3-20
0x > 79
vậy BPT ko có nghiệm
b) 4x-1/2 + 6x-19/6 ≤ 9x-11/3
(4x-1)3/6+6x-19/6 ≤ (9x-11)2/6
(4x-1)3+6x-19 ≤ (9x-11)2
12x-3+6x-19 ≤ 18x-22
18x-22 ≤ 18x-22
0x ≤ 0
vậy BPT vô nghiệm
a) 3(2x+1)+1/10 > 3x+52/10
3(2x+1)/20+20/20 > (3x+52)2/20
3(2x+1)+20 > (3x52)2
6x+3+20 > 6x+102
6x-6x > 102-3-20
0x > 79
vậy BPT ko có nghiệm
b) 4x-1/2 + 6x-19/6 ≤ 9x-11/3
(4x-1)3/6+6x-19/6 ≤ (9x-11)2/6
(4x-1)3+6x-19 ≤ (9x-11)2
12x-3+6x-19 ≤ 18x-22
18x-22 ≤ 18x-22
0x ≤ 0
vậy BPT vô nghiệm