Mikael
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 108
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 54

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 Questions Asked
 18
 Questions Answered
 303
 Medals Received
 207

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 1
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 0
 Questions Answered
 2
 Medals Received
 0

 Questions Asked
 4
 Questions Answered
 108
 Medals Received
 54

 Questions Asked
 0
 Questions Answered
 0
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 0

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 0
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 0
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 0

 Questions Asked
 18
 Questions Answered
 303
 Medals Received
 207

 Questions Asked
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 0
 Medals Received
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0 
Questions Asked

Mikael:
Group Title
\[ x^2 +x 1 =0 \] What is special about the solutions ?
 updated one year ago
 8 replies
 2 Medals
Mathematics

Mikael:
Group Title
How do you find a limit of \[\lim{\sqrt{2+\sqrt{2 + \sqrt{2 + \sqrt{...}}}}} =\,\, ?\] ?
 updated one year ago
 100 replies
 8 Medals
Mathematics

Mikael:
Group Title
REACH THE IMPOSSIBLE DREAM
In the situation in which somehow, in some fashion, by some trick  this 2 different series (see below) had a \[\…
 updated one year ago
 98 replies
 4 Medals
Mathematics

Mikael:
Group Title
So here is a reallife challenge
Using the setup conditions of First problem http://openstudy.com/study#/updates/5061ee56e4b02e139411644c , …
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

Mikael:
Group Title
First problem
100 thinking robots are given a challenge : they will communicate only by means of a single light bulb which can be either…
 updated one year ago
 67 replies
 6 Medals
Mathematics

Mikael:
Group Title
\[\bf \text{First problem }\]
100 thinking robots are given a challenge : they will communicate only by means of a single light bulb whic…
 updated one year ago
 3 replies
 2 Medals
Mathematics

Mikael:
Group Title
\[ \text{Analyze the real valued roots of the function} \\ \quad f(x) = 1 +x + \frac{x^2}{2!} + \frac{x^3}{3!} + ...+ \frac{x^6}{6!} \]
Wh…
 updated one year ago
 34 replies
 2 Medals
Mathematics

Mikael:
Group Title
A bounty hunting expedition located a very heavy sunken ship on the bottom of the sea. They are trying to raise it up with inflatable air ba…
 updated one year ago
 No Medals Yet
Mathematics

Mikael:
Group Title
A bounty hunting expedition located a very heavy sunken ship on the bottom of the sea. They are trying to raise it up with inflatable air ba…
 updated one year ago
 14 replies
 2 Medals
Mathematics

Mikael:
Group Title
A famous question (from this discipline !)
Why are the polar bears much larger than the brown bears (including grizzlies) ? Why are Saint…
 updated one year ago
 No Medals Yet
Mathematics

Mikael:
Group Title
Simplify /compute
sin(0.7t) + cos(1.1t) +sin(1.5t) + cos(1.9t) + sin(2.3t) + cos(2.7t) + sin(3.1t) + cos(3.5t) +sin(3.9t) =
 updated one year ago
 59 replies
 10 Medals
Mathematics

Mikael:
Group Title
charge Q has been spread uniformly over a circular arc of radius R and central angle 120°. What is the potential at the center of circle of …
 updated one year ago
 6 replies
 4 Medals
Mathematics

Mikael:
Group Title
4 points in the square  see image The points' velocities are all equal V and are directed all the time toward the exact position of the ne…
 updated one year ago
 82 replies
 4 Medals
Mathematics

Mikael:
Group Title
4 points in the square  see image The points' velocities are all equal V and are directed all the time toward the exact position of the ne…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Mikael:
Group Title
4 points in the square  see image The points' velocities are all equal V and are directed all the time toward the exact position of the ne…
 updated one year ago
 4 replies
 1 Medal
Mathematics

Mikael:
Group Title
NO CALCULUS 4 MUSKETEERS !
After a 30 years away the 4 musketeers (counting D'Artagnan !) finally set up a meeting in a Paris square. This …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Mikael:
Group Title
SHAPE OF WATER STREAM
Here is something really reasonable  9th grade more or less.
Water flows from the circular kitchen faucet, and the…
 updated one year ago
 121 replies
 8 Medals
Mathematics

Mikael:
Group Title
1, 4, 26, 260, 3368, 53744, 1022320, 22522960,
What are these ?
 updated one year ago
 15 replies
 1 Medal
Mathematics

Mikael:
Group Title
Educational: This guy worked in LosAlamos
What do these have in common? Continue them
1, 2, 3, 4, 6, 8, 11, 13, 16, 18, 26, 28, 36, 38, …
 updated one year ago
 8 replies
 4 Medals
Mathematics

Mikael:
Group Title
The rod is massless.
At t = 0 rod is pointing up.
It is of length R. rod is rotatin…
 updated one year ago
 111 replies
 6 Medals
Mathematics

Mikael:
Group Title
Solve for x
the equation
x^4 + ax^3  ab^2 a^2b^2 = 0
…
 updated one year ago
 41 replies
 3 Medals
Mathematics

Mikael:
Group Title
Challenge question:
Give a proof that Pi is irrational. (NO need to prove transcendental if not necessary)
 updated 2 years ago
 27 replies
 7 Medals
Mathematics