User BR Pahari

6 votes

Question about the chain rule.

answered Oct 3, 2018 at 2:50

5 votes

Accepted

Simplifying function $f(x)=\frac{2x+1}{x+3}$

answered Oct 3, 2018 at 0:49

5 votes

Accepted

Why can't I do this substitution?

answered Dec 18, 2017 at 20:03

4 votes

Accepted

A function $f$ such that $\lim_{x\to b}f(x)=+\infty$ and $\lim_{x\to b}f'(x)=-\infty$

answered Dec 17, 2017 at 23:50

4 votes

Accepted

Double angle formulae for $\sin2\theta$ and $\cos2\theta$ in tangent form?

answered Feb 16, 2022 at 17:02

4 votes

Accepted

Finding the derivative of $y=\sin(\cos^{-1}(2x))$

answered Oct 16, 2022 at 5:21

3 votes

Accepted

Linear algebra square root operator example

answered Feb 14, 2021 at 4:45

3 votes

Is this true? $\sum_{n=0}^\infty\left(-1\right)^n=\sum_{n=0}^\infty\left(-1\right)+\sum_{n=0}^\infty\left(1\right)$

answered Oct 18, 2022 at 3:02

3 votes

How do I prove that this function is monotone?

answered Oct 18, 2022 at 16:40

3 votes

Accepted

Prove that $\sqrt{101}$ lies between $10$ and $10.05$ by Mean Value Theorem.

answered Dec 18, 2017 at 16:49

3 votes

Accepted

Using differentiation to find a power series representation.

answered Nov 16, 2017 at 21:06

3 votes

Accepted

Source for problems to practice applying Zorn's lemma.

answered Dec 4, 2017 at 13:30

3 votes

Accepted

Sequence defined as sum.

answered Sep 24, 2018 at 15:05

3 votes

Accepted

If series of terms $a_j, b_j$ are convergent, must $\sum_j^\infty a_j b_j$ be convergent?

answered Oct 8, 2018 at 20:12

3 votes

Accepted

If f is increasing, then show that g is also increasing

answered Oct 11, 2018 at 2:40

2 votes

Limit "Replace $1$ by $0$"

answered Oct 3, 2018 at 2:35

2 votes

Why is there no derivative in an absolute value function?

answered Oct 8, 2018 at 14:53

2 votes

Accepted

Is $\cot x = \tan (π/2 - x) $ true for any angle $x$?

answered Oct 12, 2018 at 2:58

2 votes

non-null vector space & basis

answered Jan 31, 2019 at 19:08

2 votes

Null space of a matrix A..

answered Jan 26, 2018 at 16:42

2 votes

Accepted

Is the set of continuous functions in the subspace of differentiable functions?

answered Sep 24, 2018 at 2:03

2 votes

What's the coolest way to prove that $p^k - 1 \equiv 0 \mod 3$ where p is a prime not equal to 3, and k is an even positive integer?

answered Dec 2, 2017 at 0:33

2 votes

How different are these function from calculus point of view, f(x)=(x^2-4)/(x-2) and g(x)=(x+2)?

answered Dec 4, 2017 at 6:45

2 votes

how to find limits of integration in terms of r when a paraboloid intersects a plane

answered Nov 8, 2017 at 5:47

2 votes

Accepted

What is the term for equation in $y=f(x,y)$

answered Nov 16, 2017 at 20:50

2 votes

Accepted

If $p^n$ divides $q^n$ does $p$ divide $q$?

answered Nov 18, 2017 at 2:46

2 votes

Accepted

Prove that if $f$ and $m$ are polynomials over $K$, and $m$ is irreducible, then hcf$(f,m)$ is either $1$ or $m$.

answered Dec 18, 2017 at 5:26

2 votes

Accepted

Intersection of Family of Uncountably many Countable sets countable.

answered Dec 18, 2017 at 21:31

2 votes

The reversibility of the adjoint operator

answered Dec 18, 2017 at 22:24

2 votes

Accepted

Integrate $\int_0^\infty\frac{1}{x}\ln\left(\left(\frac{1+x}{1-x}\right)^2\right)dx$ using known sum

answered Jan 4, 2022 at 20:30

Stack Exchange Network

92 Answers

Question about the chain rule.

Simplifying function $f(x)=\frac{2x+1}{x+3}$

Why can't I do this substitution?

A function $f$ such that $\lim_{x\to b}f(x)=+\infty$ and $\lim_{x\to b}f'(x)=-\infty$

Double angle formulae for $\sin2\theta$ and $\cos2\theta$ in tangent form?

Finding the derivative of $y=\sin(\cos^{-1}(2x))$

Linear algebra square root operator example

Is this true? $\sum_{n=0}^\infty\left(-1\right)^n=\sum_{n=0}^\infty\left(-1\right)+\sum_{n=0}^\infty\left(1\right)$

How do I prove that this function is monotone?

Prove that $\sqrt{101}$ lies between $10$ and $10.05$ by Mean Value Theorem.

Using differentiation to find a power series representation.

Source for problems to practice applying Zorn's lemma.

Sequence defined as sum.

If series of terms $a_j, b_j$ are convergent, must $\sum_j^\infty a_j b_j$ be convergent?

If f is increasing, then show that g is also increasing

Limit "Replace $1$ by $0$"

Why is there no derivative in an absolute value function?

Is $\cot x = \tan (π/2 - x) $ true for any angle $x$?

non-null vector space & basis

Null space of a matrix A..

Is the set of continuous functions in the subspace of differentiable functions?

What's the coolest way to prove that $p^k - 1 \equiv 0 \mod 3$ where p is a prime not equal to 3, and k is an even positive integer?

How different are these function from calculus point of view, f(x)=(x^2-4)/(x-2) and g(x)=(x+2)?

how to find limits of integration in terms of r when a paraboloid intersects a plane

What is the term for equation in $y=f(x,y)$

If $p^n$ divides $q^n$ does $p$ divide $q$?

Prove that if $f$ and $m$ are polynomials over $K$, and $m$ is irreducible, then hcf$(f,m)$ is either $1$ or $m$.

Intersection of Family of Uncountably many Countable sets countable.

The reversibility of the adjoint operator

Integrate $\int_0^\infty\frac{1}{x}\ln\left(\left(\frac{1+x}{1-x}\right)^2\right)dx$ using known sum