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user926356
  • Member for 3 years, 11 months
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5 votes
0 answers
113 views

If $B^3=B$, is $B$ diagonalizable?

4 votes
1 answer
61 views

Integrating the sign function

4 votes
1 answer
154 views

Limit of a sequence ${x_{n+1}}/x_n$

4 votes
1 answer
214 views

Proof explanation of an inverse function theorem

4 votes
1 answer
99 views

How to derive a definition of definite integral from another definition

3 votes
2 answers
123 views

Show that three polynomial are linearly independent

3 votes
3 answers
207 views

Associativity of infinite series

3 votes
2 answers
165 views

Comparison test to check the nature of a series

3 votes
3 answers
180 views

Limit of $f(x)=x/|x|$ as $x\to 0$

3 votes
1 answer
80 views

Find values of $a,b$. such that a matrix is diagonalizable

2 votes
1 answer
96 views

Limit of integral of the expontial function to a negative power

2 votes
0 answers
163 views

Rigorous introduction to statistics for self study

2 votes
1 answer
518 views

Multivariable calculus texts

2 votes
2 answers
235 views

Matrix representation of linear transformation w.r.t a basis

2 votes
1 answer
51 views

Consequences of definition of scalar product

2 votes
4 answers
3k views

$5^n -4n-1$ is divisible by 16 [closed]

2 votes
1 answer
95 views

What is the meaning of this lemma?

2 votes
1 answer
167 views

Find all the vectors in $\mathbb{R}^2$ that are orthogonal to the vector $(1,-1)$

2 votes
2 answers
74 views

Show that $e^{z+2j\pi n}=e^z, \forall z\in\mathbb{C},\forall n\in\mathbb{N}$

2 votes
1 answer
85 views

Solution verification and how to prove a function isn't integrable

2 votes
1 answer
66 views

Equality of integral of product of two functions

2 votes
1 answer
180 views

Find the associated matrix to a linear transformation

2 votes
0 answers
394 views

Proving there is a constant $C$ such that $f=g+C$

2 votes
5 answers
337 views

Showing $\frac{(x^2+1)(y^2+1)(z^2+1)}{xyz}\geq 8$

2 votes
0 answers
69 views

Showing that $\lim_{x\to+\infty}\frac{(\log x)^\alpha}{x^\beta}=0$

1 vote
0 answers
51 views

Explaining a differentiability theorem

1 vote
0 answers
107 views

Showing that $e^x=\sum_{n=0}^{\infty}\frac{x^n}{n!}.$

1 vote
1 answer
59 views

Show that $p(x)=T_{n,x_0}(x)$

1 vote
5 answers
1k views

Showing that the inflection points of $x\sin x$ lie on a certain curve

1 vote
0 answers
29 views

Question regarding terminology used in a lemma