hqt
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 Feb 2 asked Functional Equation : $f(x) = f(x + y^2 + f(y))$ Nov 9 asked Find a shortest distance from point to $\operatorname{span} U$ Nov 9 asked Find matrix with $T: P_2 \to R^2: T(a+bx+cx^2) = (a-b, b+c)$ Nov 9 asked Find basis for $\ker T$ with $T:P_2 \to P_2: T(p(x)) = p(x) + p(-x)$ Nov 9 asked find $rank(T)$ when $T: P_2\to P_2:T(p(x)) = p(x+1)$ Nov 8 asked Find formula for transformation from $R^3$ to equation of line Nov 6 asked Find m satisfied $\dim(U^\perp) = 2$ 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 asked Prove : $\rm{col}(B) \subseteq \rm{null}(A)$ Nov 4 asked Is $U = \{f(x)| f(x) \in P_{3}, \operatorname{deg} f(x) = 3\}$ a subspace of $P_{3}$? Nov 2 asked Find conditions for a polynomial $p$ to be in a vector space $U$ Sep 13 asked Modulo equation : $\frac{n^{k+1}-1}{n-1} \equiv a{\pmod p}$ Aug 20 asked Matrix Manipulation : trick to sum elements of vector Jun 15 asked Find volume of region bound by $y=x, y=x^2$ around x-axis Jun 14 asked $s(x)$ is a arc length function, find $s'(x)$ Jun 13 asked $f(1)=-3$ and $f'(x)\geq7$ how small is $f(5)$? Jun 12 asked Multi variable integral : $\int_0^1 \int_\sqrt{y}^1 \sqrt{x^3+1} \, dx \, dy$ Jun 10 asked Formula to estimate sum to nearly correct : $\sum_{n=1}^\infty\frac{(-1)^n}{n^3}$ Jun 8 asked Lagrange's method to find min/max question Jun 7 asked Partial Derivation: $\lim_{(x,y)\to(0,0)}\frac{x^2+\sin^2y}{2x^2+y}$