Recent content by JimRoo

Is it sqrt(3a - 3) or sqrt(3a) - 3 or sqrt(3) * a - 3. Whatever value of "a" is in the denominator, it has to be moved to the numerator, usually by multiplying both sides of the equation by the appropriate term containing "a". If it's sqrt(3a - 3) then multiply both sides of the equation by...

I don't think the average number of rolls to win will be the same. Think about the different probabilities between a player who puts 1 object in each locked box versus a player who puts all items in 1 box. Then think about the probabilty of winning on the first 6 rolls. The player with one...

Have you tried induction? You might try (x + y)^1 show that the coefficients are 1 and 1; and then assume it's true for (x+y)^n and show if that is true then it works for the row (x + y) ^(n+1). I haven't tried that; but it would be my first try.