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skymus: Your avatar is simply smashing!!!
7371 n = Post # = 567
Let's play the numbers as finite series:
In finite series , where d = X2 - X1
In our case we know k = 566 numbers and want to find 567th which is k+1 = 567, d = 26 - 13 = 13:
and
To celebrate an equation of the 5-year old kid 1+ 3 + 5 = 3*3 we play it for 13:
7306, n = Post # = 562
Let play the numbers as
Let's come back for a minute to 5-year old discovery 1 + 3 + 5 = 3*3
We explored it in a separate topic: 1+3=2^2 etc. and came to the following:
X1 + X2 + X3+
+ Xn = a * b in the post,
where a = (X1 + Xn) / 2, b = n.
In finite series X(n+1) = X1 + n * d, where d = X2 - X1
In our case we know k = 561 numbers and want to find 562th which is k+1 = 562, d = 26 - 13 = 13:
and
Few hands-on examples:
Ex: 1 + 3 + 5 = (1 + 5) / 2 * 3, n = 3, X(n+1) = 1 + 3 * 2 = 7
Ex: 3 + 6 + 9 + 12 = (3 + 12) / 2 * 4, n = 4, X(n+1) = 3 + 4 * 3 = 15
Ex: 13 + 26 + 39 + 52 + 65 = (13 + 65) / 2 * 5, n = 5, X(n+1) = 13 + 5 * 13 = 78
A SLICE OF PI
******************
3.14159265358979
1640628620899
23172535940
881097566
5432664
09171
036
5
from Math Humor
7254 n = Post# = 558 (see top right)
Pascal Triangle
Do you remember...
1
Roll # = (∫x³dx)-¹ = ?
0
We still need one more roll ... Anybody wants to give it a try?..
P.S. You may use the table to find :
1
(∫x³dx)-¹ = ?
0
So, Post #12 defined the game out of 5 rolls.
The number to reach and overcome is Total = 82.
Until this moment gave us the following rolls:
Roll #1 = 6: 1 + 3 + 5 + 7 + 9 + 11 = 6 * 6 in Post #13
Roll #2 = 3: 1 + 3 + 5 = 3 * 3 in Post #18
Roll #3 = 4: 1 + 3 + 5 + 7 = 4 * 4 in Post #19
Total = 36 + 9 + 16 = 61
We need two more rolls!
Today we will Roll #4 = ...
Ready, Set and Ready, Go: . . . 5
Thank you, !
Thus, Roll #4 = 5: 1 + 3 + 5 + 7 + 9 = 5 * 5
Total: 61 + 25 = 86
Can Anybody roll the dice for the last Roll #5?
Winnie the Pooh: Hellooooooo.... Is anybody at home??????
Rabbit: No, NOBODY!
...
Winnie (to himself): if somebody says NOBODY, than it means there should be somebody.
_______________________________________________________________
Winnie:
Can Anybody Roll the Dice?
So, Post #12 defined the game out of 5 rolls.
The number to reach and overcome is = 82.
Until this moment gave us the following rolls:
6: 1 + 3 + 5 + 7 + 9 + 11 = 6 * 6 in Post #13
3: 1 + 3 + 5 = 3 * 3 in Post #18
4: 1 + 3 + 5 + 7 = 4 * 4 in Post #19
We need two more rolls!
CAN anybody ROLL the DICE?.... ANYBODY ? . . . .
Let's do the deal: you will roll the dice and I will count the numbers!
For previous case of Roll # = 4, the equality is:
1 + 3 + 5 + 7 = 4 * 4
Do you remember?
1
(∫x³dx)-¹ = 4 and thus Roll # = 4?
0
______________________________________
Ok, now is your turn.
May you roll a dice to give me your Roll #?
ok, ok. Let's do it together!
Find:
1
Roll # = (∫x³dx)-¹
0
Use the table to find it:
1
for (∫x³dx)-¹: (x^4/4)-¹ = 4/x^4 ??? Nope! See Mr. Franklin's corrective post below
0
It is:
1
for (∫x³dx)-¹ we plug 0 and 1 into formula as follows:
0
(x^4/4)-¹ ol¹ = [(1^4)/4 - (0^4/4)]-¹ = (1/4 - 0/4)-¹ = (1/4)-¹ = 4
Therefore:
1
(∫x³dx)-¹ = 4 and thus Roll # = 4
0
PS I've got too much pre-occupied with placing correct math symbols as x^4 and ∫
to miss on the flow of the calculation itself.
It is interesting that we have x³ ready to use here, which is x^3, but not the same for x^4.
Thank you, John, for interaction.
For Roll # = 3 the equality is: 1 + 3 + 5 = 3 * 3.
________________________________________________
Use the table to find :
1
Roll # = (∫x³dx)-¹
0
Anybody give it a try?..
For previous case of Roll # = 6, the equality is:
1 + 3 + 5 + 7 + 9 + 11 = 6 * 6
Next, let us say gives... Roll # = 3:
for Roll # = 3, write down the equality here:
1 + ... = 3 * 3
_______________________________________
Now let us have even more fun!
Let's say that gives...
1
... Roll # = (∫x³dx)-¹
0
First, count Roll# = __
Then, write down the equality here: _ + _ + ... = _ * _
Have fun
gives... 6
for Roll # = 6, write down the equality here:
1 + ... = 6 * 6
Let's now play a little game: !!
Come back to our original formula:
1 + 3 + 5 = 3*3
How many numbers are on the left side of the above equality? That's right: 3 !
Follow the same reasoning for other numbers as it is done below:
Example: roll a 6-sided dice to receive amount of number participants in the game:
e.g., Roll #1 = 5 and you make equality of 5 members. Always start from 1 and add 2 to get next number:
1 + 3 + 5 + 7 + 9 = 5*5
next: Roll #2 = 2, then 1 + 3 = 2*2
Roll #3 = 6, then 1 + 3 + 5 + 7 + 9 + 11 = 6*6
Roll #4 = 4, then 1 + 3 + 5 + 7 = 4*4
Roll #5 = 1, then 1 = 1*1
Game: roll 5 times and count the sum of all 5 rolls. The highest sum wins.
Let's count our 5 rolls: 25 + 4 + 36 + 16 + 1 = 82.
Roll your dice 5 times and try to reach that 82.
Your turn...give me your Roll #1 = ___
Here is an example with rational numbers:
-10.9 - 9.8 - 8.7 - 7.6 = 4 * [(-10.9 + -7.6) / 2] = 4 * [(-18.5) / 2] = 4 * (-9.25) = -37
May you bring your example with rational numbers?
Now come back to our original puzzle!
Pascal Triangle
... breaking down the puzzle :
if ,
so we have that X1 + X2 + ... + Xn = a * b for a = n and b = (X1 + Xn)/2:
Now it is your turn:
2 + 4 + 6 = _ * [( _ + __ ) / 2] = _ * _ ?
Next, may you bring an example with integers?
The Lady Tasting Tea. How Statistics Revolutionized Science in the XXth Century by David Salsburg. The book author described discovery of the five-year-old in a few sentences (p.138, Chapter 14. THE MOZART OF MATHEMATICS). It does deserve our playfull minds... let's have fun and may even create a game on the numbers right here.
- good discussion!
Simple discovery is most often a deceptive one. It usually contains a surprise element. The magic is not in what it contains, but rather in what it doesnt.
1 + 3 + 5 = 3*3 what principle does it contain and what it does not?
If 1 + 3 + 5 = 3^2, does 2 + 4 + 6 = 4^2 ?... Obviously not.
Find the play (rule/formula) for multiples a and b, which would work for both:
for
and for .
When you find the a * b rule, then determine if the same rule plays out for
natural, whole, integers, rational, irrational numbers X1, X2,
in equation . Give some examples.
Now come back to 1 + 3 + 5 = 3*3 and see the hidden simplicity in it.
Mozart music also contains the highest level of deceptive simplicity,
which Albert Einstein recognized and adored in his violin journey.
Hi! Are you ready for a G A M E ? Go to Post #12 (see #s right) and have fun!!
____________________________________________________
Here is a little preview:
This was discovered by 5 year old boy who later was called Mozart of mathematics.
What's his name?
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