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seen Mar 7 at 12:35

Feb
25
revised Is the function derivable in $x_0 = 1$?
added 118 characters in body
Oct
21
revised Solve $x^2 = I_2$ where x is a 2 by 2 matrix
added 70 characters in body
Mar
14
revised How to compute the sum of every $k$-th binomial coefficient?
edited body; edited tags
Mar
13
revised How to compute the sum of every $k$-th binomial coefficient?
added 254 characters in body
Mar
13
revised How to compute the sum of every $k$-th binomial coefficient?
deleted 45 characters in body
Aug
24
revised topology - analysis Book
added 410 characters in body
Aug
24
revised topology - analysis Book
added necessary tag
Aug
19
revised Is there a non-contradictory non-trivial axiomatic system in which Gödel's theorem is undecidable?
added 3 characters in body
Aug
15
revised Derivative of step functions
added 178 characters in body
Aug
15
revised Derivative of step functions
clarification
Aug
15
revised How do Taylor polynomials work to approximate functions?
added 399 characters in body
Aug
14
revised Help in understanding integration by changing the variable
added 104 characters in body; edited title
Jan
14
revised The accumulation points for Dirichlet's function
added 170 characters in body
Jan
10
revised How to solve equations with absolute value and using the Archimedean property
reformulated question