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Michael Rozenberg's user avatar
Michael Rozenberg's user avatar
Michael Rozenberg's user avatar
Michael Rozenberg
  • Member for 4 years, 10 months
  • Last seen more than 1 year ago
  • Tel-Aviv
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I like to prove inequalities

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113
Show that $(2,0,4) , (4,1,-1) , (6,7,7)$ form a right triangle
88
If $a+b=1$ then $a^{4b^2}+b^{4a^2}\leq1$
62
Why does the discriminant in the Quadratic Formula reveal the number of real solutions?
57
How to simplify $\int{\sqrt[4]{1-8{{x}^{2}}+8{{x}^{4}}-4x\sqrt{{{x}^{2}}-1}+8{{x}^{3}}\sqrt{{{x}^{2}}-1}}dx}$?
50
Can the product of three complex numbers ever be real?

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