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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 Questions Answered
 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
 Medals Received
 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years ago
 121 replies
 8 Medals
Mathematics

Mikael:
Group Title
1, 4, 26, 260, 3368, 53744, 1022320, 22522960,
What are these ?
 updated 2 years 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 2 years 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 2 years 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 2 years 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