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  • 11 votes cast
Jun
11
comment Absolute inequality derivation
I used Excel to calculate this for 225 quadruples (with x,y <= 5, all numbers integers) and found that this is always true.
Jun
7
comment Is $\sqrt{\log (n)}=\frac{1}{\sqrt{2}}*(\log n)$?
@VasuDevGarg: If you find just one single value for n that proofs, that both sides of an equation are unequal, then you did proof that the equation is wrong. With this technique you can't proof an equation as true if both sides match by accident. Even if you find trillions of single-value-proofs. If there is just one value that proofs the equation as wrong, then it is wrong.
Jun
7
comment Why does $e^{\frac10}\neq e^{\frac1{-0}}$?
$\infty$ is not a number.
May
31
comment PreCalc problem about matrices
@user2566092: thanx, just corrected it