Mathematics
Alice Malinova's user avatar
Alice Malinova's user avatar
Alice Malinova's user avatar
Alice Malinova
  • Member for 1 year, 4 months
  • Last seen more than a week ago
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70
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60
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40
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All Questions Answers
Score Newest
question
4
Prove or disprove that the inequality is valid if $x,y,z,u$ are positive numbers and $x+y+z+u=2$.
Feb 1
question
3
Finding the rectangle of minimum area that can be divided into five rectangles such that the lengths of all their sides are different naturals.
Dec 1, 2021
question
2
Does the equation have at most one solution in integers?
Nov 9, 2021
question
2
Find maximum of $\sin{x}+\sin{y}-\sin{(x+y)}+\sqrt{3}\left(\cos{x}+\cos{y}+\cos{(x+y)}\right)$
Nov 12, 2021
question
2
Find the largest $t$ such that for all positive $x, y, z$ the following inequality is satisfied
Dec 5, 2021
question
2
Prove or disprove that the inequality is valid if $x,y,z$ are positive numbers and $xyz=1$.
Dec 22, 2022
question
2
Prove or disprove that the inequality is true if x, y, z are positives and $xyz=8^3$.
Feb 26
question
1
Prove or disprove the inequality if $a,b,c>0$, $a \geq b+c$.
Dec 22, 2022
question
0
Prove that the inequality is valid if $x,y,z$ are positive numbers and $xyz=1.$
Dec 5, 2022
question
0
Prove that the inequality is valid if $a,b,c,d$ are positive numbers. [duplicate]
Dec 15, 2022

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