alpha.Debi

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50 Answers

newest activity votes
4
Can one prove $\int f > 0$ for $f > 0$ without Lebesgue integration?
3
Integration Problem.
3
A matrix and its transpose have the same set of eigenvalues
3
surjective linear map from R to R²
2
proving differentiablty
2
how to strictly prove $\sin x<x$ for $0<x<\frac{\pi}{2}$
2
Given ${u, v, w}$ is a basis for $\mathbb{R}^3$, how can I show that $\{u + v + w, v + w, w\}$ is also a basis?
2
Does $\int_{0}^{\infty} \frac{dx}{\sqrt{x^3+x}}$ converge?
1
Positive series problem
1
How do you solve this sort of definite integral?
1
How to prove that the series is decreasing
1
Continuity of a Logarithmic Integral
1
Linearly independent functions
1
Evaluating $\int |x|^3 \; dx $
1
solve recurrence relation $a(n)=2a(n-1)+1$
1
Linear Algebra Mapping
1
Which of these functions are linearly independent?
1
Is there a converse for the following Theorem? Equivalent systems of linear equations have exactly the same solutions
1
Homogeneous and nonhomogeneous matrices basics
1
similar matrices have same eigenvalue… stuck
1
Linear algebra proof involving subspaces and dimensions.
1
Diagonalize a matrix
1
Existence of total derivative of a function
1
Proof that $e=\sum\limits_{k=0}^{+\infty}\frac{1}{k!}$
1
What is a good Algebra reference text?
1
basis of vectors
0
Given a matrix, is there always another matrix which commutes with it?
0
How do I find the derivative of this equation using the fundamental theorem of calculus?
0
Linear Algebra Working with Linear Transformations
0
Linear Algebra - Gaussian Elimination
1 2