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Jan
6
reviewed Approve Solving a differential equation using Laplace transform?
Jan
6
reviewed Reject Expected value of a die when decision to role again depends on previous outcome
Jan
5
answered Better way of factorising $x^2-a^2+x+a$
Jan
5
comment Better way of factorising $x^2-a^2+x+a$
here is a more systematic technic math.stackexchange.com/a/544042/11206 but maybe much more than you want.
Jan
5
comment Better way of factorising $x^2-a^2+x+a$
+1, but maybe incomprehensibly to the OP
Jan
5
comment Better way of factorising $x^2-a^2+x+a$
$x({1^2}+1)-a(1^2-1)$ equals $2x$ and not ${x^2}-{a^2}+x+a$. As Hurkyl already noted, your attempt to create a common factor contains an error.
Jan
5
reviewed Reject Give an example of a nonempty finite set which is neither open nor closed?
Jan
5
revised Find least possible number of factors
added 12 characters in body
Jan
5
comment Find least possible number of factors
Where can I see that this is a multiple choice question?
Jan
5
comment Find least possible number of factors
Due to what constraint?
Jan
5
comment Find least possible number of factors
you are missing a lot of other cases you have to check
Jan
5
comment Find least possible number of factors
It would be nice if you can change it to a readable format using latex. I did the first few lines for you as an exapmle.
Jan
5
revised Find least possible number of factors
some latexification, but only for the
Jan
5
comment Find least possible number of factors
you cannot assume that $AB has exactly three prime factors. It is possible that it has only two or one prime factor.
Jan
5
answered Find least possible number of factors
Jan
5
revised Find least possible number of factors
moved the question from title to the post
Jan
5
comment Find $\lim_{n\to \infty}f_{n}(1)=?$
the functions until n=10: maxima-online.org/…
Jan
5
revised Find $\lim_{n\to \infty}f_{n}(1)=?$
latex, grammar
Jan
4
reviewed Approve Identify Equation
Jan
4
revised “Bizarre” continued fraction of Ramanujan! But where's the proof?
latex