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Mathematics
Farshid Farhat's user avatar
Farshid Farhat's user avatar
Farshid Farhat's user avatar
Farshid Farhat
  • Member for 2 years
  • Last seen more than 1 year ago
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7
Find all functions $f:\mathbb{R}\rightarrow\mathbb{R}$ where $f(xf(y)+f(x)+y)=xy+f(x)+f(y)$
Oct 14, 2022
5
Proving using Mathematical Induction from my discrete math class
Sep 16, 2022
2
$P(x)=x^2+ax+b$ and $Q(x)=x^2+a_1x+b_1$ and $P(x)\cdot Q(x)$ has at most one real root then prove that the claims given below are true.
Sep 16, 2022
1
Chess sum symmetry for which natural numbers?
Dec 10, 2022
1
Linear equality constrained least squares for matrices
Oct 14, 2022
0
Prove the concurrency of lines $BI$, $CH$ and $FG$.
Dec 9, 2022
0
Find $n, m\in\mathbb{N}$ such that $2\alpha m +2(3-\alpha)n=nm$ for some $\alpha\in\{1,2,3\}$
Sep 19, 2022
0
partial derivative w.r.t. (lnS)
Sep 19, 2022
0
encrypt problem in Discrete mathematics
Sep 19, 2022
0
negative quaternion
Sep 24, 2022