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minthao_2011
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8 votes
3 answers
1k views

How to solve this irrational equation?

6 votes
0 answers
810 views

A system of equations of Vietnamese Mathematical Olympiad 2013

6 votes
4 answers
486 views

Solving an equation with three quadratic radicals in the set of real numbers

6 votes
3 answers
154 views

How to solve this nonstandard system of equations?

5 votes
1 answer
154 views

How to find the minimum of the expression?

5 votes
0 answers
206 views

How to solve this equation with another way?

5 votes
1 answer
127 views

How to solve this inequality with another way?

4 votes
1 answer
166 views

How to solve this nonstandard trigonometric equation?

4 votes
4 answers
462 views

How to prove this inequality with the following condition?

4 votes
2 answers
98 views

How can I solve this nice rational equation

3 votes
1 answer
90 views

Solving the equation $x^2+(2 x+3) \sqrt{3 x^2+6 x+2}=6 x+5$

3 votes
3 answers
318 views

How to solve system of equations?

3 votes
1 answer
165 views

How to find the limit of this sequence?

3 votes
2 answers
462 views

Irrational equation, How to solve it?

3 votes
3 answers
4k views

How to find the minimum value of the expression?

2 votes
1 answer
66 views

Find the natural number $n$ satisfy the condition

2 votes
1 answer
66 views

How can I find this integral?

2 votes
1 answer
2k views

How to find the vertices with integral coordinates of a triangle knowing that center and inradius?

2 votes
1 answer
51 views

Does a maximum value exist for this expression?

2 votes
2 answers
152 views

How to solve this equation or system of equations?

2 votes
2 answers
136 views

How can I find the integral?

2 votes
1 answer
170 views

Solve the trigonometric equation

2 votes
2 answers
502 views

How to solve this trigonometric equation?

2 votes
3 answers
178 views

How do we solve the equation?

2 votes
1 answer
54 views

How can I prove that modul of this vector bigger than radius of a circle?

2 votes
2 answers
77 views

How can I prove remainder side of this inequality?

1 vote
3 answers
712 views

How to solve an irrational equation?

1 vote
1 answer
73 views

Is there another way to solve this equation?

1 vote
1 answer
334 views

Find the greatest value of this expression

1 vote
3 answers
181 views

How to solve this system of equations?