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 Yearling
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  • 22 votes cast
Aug
5
awarded  Yearling
Mar
25
answered Crossword puzzle- Crossnumber puzzle
Mar
4
asked Riddle: Minimum time to cross the bridge?
Feb
6
comment How to deduce this puzzle
The answer could be 1 new station and 23 existing stations also?
Jan
11
awarded  Revival
Dec
13
comment Analytical solution to $a^x+b^x=x$
Also $a=b=\frac{1}{16}$ and $x=\frac{1}{2}$
Dec
13
comment Analytical solution to $a^x+b^x=x$
@ClaudeLeibovici, here's another solution: $a=b=-2$ and $x=-1$ :)
Dec
9
comment Solving the 'insert any number of operators' problem
Well I don't say that it's the best solution, so can you please post them here? I'm also interested :)
Nov
29
answered Making $121$ with five $0$s
Nov
26
awarded  Custodian
Nov
26
reviewed No Action Needed Product of 2 Binomial distributions
Nov
26
answered Proababilities - passwords from 5 characters
Nov
15
comment The Diophantine equation $x^2 - 97 - 40 = 0$
Well it isn't mentioned in the question... Sorry then :)
Nov
14
answered How do you derive this trig identity from the common ones? $\cos^2x=\frac{1+\cos2x}{2}$
Nov
14
comment problem with comparing inequality
I just took any numbers if it can be various :) And so we have at least one solution with which this equation is false :)
Nov
14
comment problem with comparing inequality
Just random example: let a=1,b=1,c=1. Then x=0,y=0,z=2/3 -> 0+0<2/3
Nov
14
comment problem with comparing inequality
So we proved that this equality is incorrect with the given limits of x,y,z :)
Nov
14
comment problem with comparing inequality
@Marco I solved this and got: wolframalpha.com/input/… take a look :) So this equality is correct only if a,b and c meets some conditions :)
Nov
14
comment problem with comparing inequality
let me know how it's going :)
Nov
14
answered problem with comparing inequality