peter.petrov

Member for 9 years, 9 months
Last seen this week

linkedin.com/in/papetrov
Sofia, Bulgaria

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calculus

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Socratic

Answers

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Score Activity Newest

24

What is wrong with this argument that closed interval [0, 1] is not compact?

Mar 10, 2016

23

Normalizing a quaternion

Mar 18, 2016

14

If $ab=ba$, Prove $a^2$ commutes with $b^2$

May 14, 2015

12

So what really is a random variable?

Aug 2, 2020

11

What number follows immediately after a rational number?

Jul 11, 2020

Questions

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Score Activity Newest Views

14

Ellipsoid but not quite

Mar 8, 2016

6

Bernoulli trials (n,p) - probability for even/odd number of successes

Aug 30, 2018

6

Find this somewhat unpleasant limit

Oct 24, 2021

5

Determinant and inverse matrix calculation of a special matrix

Dec 14, 2020

5

Simple problem or conditions missing?!

Jul 31, 2021

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calculus

70

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117

posts

real-analysis

64

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96

posts

proof-verification

58

Score

11

posts

algebra-precalculus

54

Score

31

posts

combinatorics

45

Score

23

posts

Reputation

+10

How can a square root be defined since it has two answers?

+10

Probability of $X>1/2$ and $X<1/2$

+10

Bernoulli trials (n,p) - probability for even/odd number of successes

+10

Difference between integral function and antiderivative.

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Apr 11, 2015
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