353 reputation
210
bio website
location Vietnam
age
visits member for 1 year, 4 months
seen May 7 at 2:21
stats profile views 42

Nov
6
asked Find m satisfied $\dim(U^\perp) = 2$
Nov
6
accepted Find a basis of $\ker T$ and $\dim (\mathrm{im}(T))$ of a linear map from polynomials to $\mathbb{R}^2$
Nov
6
asked Find a basis of $\ker T$ and $\dim (\mathrm{im}(T))$ of a linear map from polynomials to $\mathbb{R}^2$
Nov
4
accepted Prove : $\rm{col}(B) \subseteq \rm{null}(A)$
Nov
4
asked Prove : $\rm{col}(B) \subseteq \rm{null}(A)$
Nov
4
accepted Is $ U = \{f(x)| f(x) \in P_{3}, \operatorname{deg} f(x) = 3\}$ a subspace of $P_{3}$?
Nov
4
asked Is $ U = \{f(x)| f(x) \in P_{3}, \operatorname{deg} f(x) = 3\}$ a subspace of $P_{3}$?
Nov
2
accepted Find conditions for a polynomial $p$ to be in a vector space $U$
Nov
2
accepted Modulo equation : $\frac{n^{k+1}-1}{n-1} \equiv a{\pmod p}$
Nov
2
asked Find conditions for a polynomial $p$ to be in a vector space $U$
Sep
21
awarded  Custodian
Sep
13
comment Modulo equation : $\frac{n^{k+1}-1}{n-1} \equiv a{\pmod p}$
Can you tell me, more, please.
Sep
13
asked Modulo equation : $\frac{n^{k+1}-1}{n-1} \equiv a{\pmod p}$
Aug
20
accepted Matrix Manipulation : trick to sum elements of vector
Aug
20
asked Matrix Manipulation : trick to sum elements of vector
Jun
26
accepted Multi variable integral : $\int_0^1 \int_\sqrt{y}^1 \sqrt{x^3+1} \, dx \, dy$
Jun
26
accepted Find volume of region bound by $y=x, y=x^2$ around x-axis
Jun
15
asked Find volume of region bound by $y=x, y=x^2$ around x-axis
Jun
15
accepted $s(x)$ is a arc length function, find $s'(x)$
Jun
15
accepted $f(1)=-3$ and $ f'(x)\geq7$ how small is $f(5)$?