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Jan
29
comment How to show group with order 125 is not simple?
wellcome back my friend
Jan
29
revised Finding the limit $\lim_{n\to \infty} \left({\frac{n+1}{n-2}}\right)^\sqrt n$
deleted 5 characters in body; edited title
Jan
29
revised Finding the limit $\lim_{n\to \infty} \left({\frac{n+1}{n-2}}\right)^\sqrt n$
deleted 51 characters in body
Jan
29
answered Finding the limit $\lim_{n\to \infty} \left({\frac{n+1}{n-2}}\right)^\sqrt n$
Jan
22
accepted -Distribution of sum- Monty Hall Parody
Jan
20
answered -Distribution of sum- Monty Hall Parody
Jan
20
revised -Distribution of sum- Monty Hall Parody
deleted 80 characters in body
Jan
20
comment -Distribution of sum- Monty Hall Parody
maximum 3000 we gain if we write 600 in $S_b$ and if we choose the key $b$ but that is not for sure if we choose another key we gain 0.
Jan
20
comment -Distribution of sum- Monty Hall Parody
blank mean that we can write the sum desired in each voucher but the total sum must be 600
Jan
20
asked -Distribution of sum- Monty Hall Parody
Nov
27
answered prove that $n(n+1)$ is even using induction
Nov
20
awarded  Popular Question
Nov
12
revised Integral of $\arctan(2e^{-x-2})$
added 4 characters in body; edited title
Oct
26
answered Factorization of polynomials
Oct
25
awarded  Popular Question
Sep
12
revised Given that $\ln (2x^2+9x-5)=1+\ln (x^2+2x-15)$ find $x$ in terms of $e$
added 72 characters in body
Sep
12
reviewed Approve Given that $\ln (2x^2+9x-5)=1+\ln (x^2+2x-15)$ find $x$ in terms of $e$
Sep
12
answered Given that $\ln (2x^2+9x-5)=1+\ln (x^2+2x-15)$ find $x$ in terms of $e$
Sep
12
revised Inverse of $4-\ln(x+2)$
edited title
Sep
3
answered Induction proof.