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  • 0 posts edited
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  • 134 votes cast
Apr
4
comment How to solve this equation for x? $0 = (x+k)e^{-(x+k)^2}+(x-k)e^{-(x-k)^2}$
@Winther, can you help me with this similar quesiton: math.stackexchange.com/questions/1219657/…
Apr
4
comment How to solve this equation for x? $0 = (x+k)e^{-(x+k)^2}+(x-k)e^{-(x-k)^2}$
@ClaudeLeibovici, I was more interested in whether there was a way to manipulate to find x, rather than the solutions themselves. Claude are you able to help on this queston: math.stackexchange.com/questions/1219657/…
Apr
4
asked For what k values are there more than one solution to the following equation?
Apr
4
comment How to solve this equation for x? $0 = (x+k)e^{-(x+k)^2}+(x-k)e^{-(x-k)^2}$
@Winther, yes I was able to figure that one out.
Apr
4
comment How to solve this equation for x? $0 = (x+k)e^{-(x+k)^2}+(x-k)e^{-(x-k)^2}$
@Winther, yes there should be 3 solutions for x. One is x = 0 and the other two depend on the value of k.
Apr
4
asked How to solve this equation for x? $0 = (x+k)e^{-(x+k)^2}+(x-k)e^{-(x-k)^2}$
Apr
3
asked Intuitive explanation for dividing by n-1 when calculating sample variance?
Apr
2
awarded  Yearling
Apr
2
comment What is the expected distance between these two points?
Thanks this is what I thought.
Apr
2
asked What is the expected distance between these two points?
Mar
4
accepted How can I solve this recurrence relation?
Mar
4
comment How can I solve this recurrence relation?
@happymath, A0 = 0.
Mar
4
asked How can I solve this recurrence relation?
Jan
31
accepted Probability of winning a tie-break in tennis?
Jan
31
comment Probability of winning a tie-break in tennis?
@barakmanos, it shouldn't matter who serves first since the winner must lead by 2.
Jan
30
asked Probability of winning a tie-break in tennis?
Jan
30
comment Probability of winning a game in tennis?
@JiK, I have posted my attempt below, can you please check?
Jan
30
answered Probability of winning a game in tennis?
Jan
30
asked Probability of winning a game in tennis?
Dec
22
awarded  Constituent